CommercialToolry

Understanding Pet Gps Tracker Mini Cat Nt202: Composition, Standards, and Applications

Types of Cat Accessories: GPS Trackers & Collars

Choosing the right accessories for your cat is essential for safety, comfort, and peace of mind—especially for outdoor or adventurous felines. This guide explores two essential cat accessories: GPS trackers and collars with bells, detailing their features, benefits, and ideal use cases.

Cat GPS Tracker

The pet gps tracker mini cat NT202 is a cutting-edge device designed to keep tabs on your cat’s whereabouts in real time. Whether your cat is an explorer or simply slips out the door, this compact tracker ensures you can locate them instantly through a user-friendly mobile app.

Real-Time Tracking

Using advanced GPS and 4G network technology, the NT202 delivers precise, real-time location updates. Owners can view their cat’s exact position on a map at any time, helping to prevent loss and reduce anxiety.

Mobile App Integration

The companion app is available for both iOS and Android, offering an intuitive interface with live tracking, historical route data, and instant notifications. Users can easily monitor their cat’s movements from anywhere.

Lightweight & Compact Design

Weighing only a few grams, the NT202 is engineered for comfort. Its small, aerodynamic shape ensures it doesn’t interfere with your cat’s natural movement or cause discomfort during extended wear.

Geofencing Alerts

Set customizable safe zones (such as your yard or neighborhood). If your cat steps outside the designated area, the app sends an immediate push or SMS alert, enabling quick action to ensure their safety.

Battery Life & Charging

The NT202 features a high-efficiency rechargeable battery. Depending on tracking frequency, it can last several days on a single charge—ideal for daily monitoring without constant recharging.

Network Compatibility

Operating on 4G networks, the tracker requires a standard SIM card (not included) from any major telecom provider. This ensures reliable connectivity and wide coverage, even in suburban or rural areas.

Advantages of GPS Trackers
  • Real-time location monitoring
  • Immediate alerts for unauthorized roaming
  • Peace of mind for owners of outdoor cats
  • Detailed movement history and route tracking
  • Compact and pet-friendly design
Limitations to Consider
  • Requires a monthly SIM/data plan
  • Battery needs regular charging
  • Higher upfront cost compared to basic collars
  • Signal may be weak indoors or in dense areas

Best for: Outdoor cats, escape artists, multi-pet households, and owners seeking advanced tracking and security.

Expert Tip: For optimal performance, pair the NT202 with a waterproof collar or protective case, especially if your cat is active in wet or rough environments.

Cat Collar with Bell

A classic yet effective accessory, the cat collar with bell helps alert wildlife, other pets, and household members to your cat's presence—reducing the risk of surprise encounters, accidents, or hunting behavior.

Durable Materials

Most modern cat collars are crafted from soft yet durable nylon or polyester fabric, designed to withstand daily wear while remaining gentle on your cat’s neck and fur.

Adjustable Fit

With adjustable buckles or sliders, these collars can be customized to fit kittens, adult cats, or larger breeds comfortably, ensuring a secure but not restrictive fit.

Bell Functionality

The small metal or plastic bell dangles from the collar and produces sound with movement. This alerts birds and small animals, reducing predatory success and promoting safer outdoor exploration.

Safety Breakaway Design

Many collars include a breakaway clasp that releases under pressure—preventing choking if the collar snags on furniture, fences, or branches. This critical safety feature makes them much safer than regular collars.

Variety of Styles

Available in countless colors, patterns, and designs—from minimalist solid tones to vibrant prints. Some are tailored for indoor use, while others are reinforced for outdoor durability.

Advantages of Bell Collars
  • Helps protect local wildlife
  • Alerts family members to cat’s location indoors
  • Affordable and widely available
  • Breakaway options enhance safety
  • Easy to put on and maintain
Limitations to Consider
  • Bell noise may disturb light sleepers
  • Some cats may dislike the sound or sensation
  • Does not provide location tracking
  • Not a substitute for supervision or containment

Best for: Indoor-outdoor cats, environmentally conscious owners, households with multiple pets, and cats prone to sneaking up on people or animals.

Feature Cat GPS Tracker (NT202) Cat Collar with Bell
Primary Function Real-time location tracking Sound-based presence alert
Technology GPS + 4G + Mobile App Mechanical bell
Battery Required Yes (rechargeable) No
Safety Features Geofencing alerts Breakaway clasp
Comfort Lightweight, compact Soft fabric, adjustable
Cost Higher (device + data plan) Low (one-time purchase)
Best Use Case Tracking lost or roaming cats Preventing surprise encounters

Pro Recommendation: Combine both accessories for maximum safety—use a breakaway bell collar for daily indoor activity and attach the NT202 GPS tracker during outdoor adventures or travel.

Applications of Cat GPS Trackers and Wearables

Modern GPS trackers and wearable devices for cats have evolved beyond simple location monitoring, offering a wide range of features that enhance pet safety, health, and owner peace of mind. These smart devices support responsible pet ownership by combining real-time tracking, behavioral insights, and preventive safety measures tailored to both indoor and outdoor lifestyles.

Tracking and Locating Pets

The primary function of a cat GPS tracker is to provide real-time location data, enabling owners to quickly locate their pets if they wander off or get lost. Using satellite and cellular technology, these devices transmit the cat’s exact position to a smartphone app, often with map integration and live tracking capabilities.

This feature is especially valuable for outdoor cats or those with a tendency to explore. With continuous updates and historical route playback, owners can monitor movement patterns and respond swiftly in emergencies, significantly increasing the chances of a safe return.

Geofencing

Geofencing allows pet owners to define virtual boundaries—such as a backyard, neighborhood, or exclusion zones like roads or construction sites. When the cat crosses this digital perimeter, the GPS tracker sends an instant alert to the owner’s phone via push notification or SMS.

This proactive safety feature enables immediate intervention, helping prevent accidents, confrontations with wildlife, or getting trapped in unsafe areas. Customizable geofences adapt to different environments, making them ideal for travel, seasonal changes, or new living spaces.

Monitoring Activity and Health

Advanced cat wearables include motion sensors that track daily activity levels, including walking, running, playing, and resting periods. Over time, this data helps owners identify normal behavior patterns and detect potential health issues early—such as decreased mobility, lethargy, or changes in sleep cycles.

By setting activity goals and reviewing weekly reports, owners can ensure their cats maintain a healthy weight and remain mentally stimulated. Veterinarians may also use this data to assess recovery progress after illness or surgery.

Keeping Indoor Cats Active

Indoor cats are prone to sedentary lifestyles, which can lead to obesity and behavioral problems. Wearable trackers with built-in activity monitoring encourage movement by providing feedback and motivation through gamified apps or reward systems.

Some devices even integrate with interactive toys or emit gentle vibrations to prompt play. This not only promotes physical health but also reduces stress and destructive behaviors associated with boredom, ensuring indoor cats live enriched, active lives.

Attachment to Collars and Harnesses

Many GPS trackers and bells are designed to easily attach to standard collars or harnesses using secure clips or adjustable straps. This ensures comfort and safety, minimizing the risk of snagging or discomfort during movement.

Combining a GPS device with a traditional bell enhances visibility and audibility, making it easier to locate the cat within the home or nearby areas. It’s a practical dual-layer approach—digital tracking backed by simple auditory cues.

Preventing and Mitigating Accidents

The inclusion of bells on GPS-enabled collars serves a dual safety purpose: they alert nearby people and animals to the cat’s presence. This is particularly useful in urban environments, gardens, or shared outdoor spaces where unseen cats might startle others or encounter hazards like vehicles or predators.

For wildlife protection, bells can reduce hunting success, which may be desirable for environmentally conscious owners. While controversial among some, the sound provides a non-invasive way to minimize unintended consequences of outdoor roaming.

Supporting Spaying and Neutering Efforts

Collars with bells are often recommended for spayed or neutered outdoor cats as part of community cat management programs. The bell deters mating behaviors by signaling the cat’s presence to others, reducing territorial disputes and unwanted breeding attempts.

In managed colonies, this contributes to population control and lowers stress among cats. Combined with identification tags or microchips, bell-equipped wearables support humane, long-term solutions for feral and free-roaming cat populations.

Enhancing Owner-Pet Bonding

The subtle sound of a bell helps owners stay aware of their cat’s whereabouts within the home, fostering more frequent and meaningful interactions. Whether it's initiating play, offering affection, or simply observing natural behaviors, knowing where the cat is encourages engagement.

GPS trackers further strengthen this bond by deepening the owner’s understanding of their pet’s habits and preferences. Shared experiences, such as exploring new walking routes or achieving activity milestones, create emotional connections and improve overall well-being for both cat and owner.

Feature Primary Benefit Best For
Real-Time GPS Tracking Immediate location access during emergencies Outdoor, escape-prone, or roaming cats
Geofencing Alerts Proactive notification when boundaries are crossed Cats in high-risk areas or new environments
Activity Monitoring Insight into health and fitness trends Indoor cats, seniors, or post-surgery recovery
Bell Integration Increased visibility and auditory tracking Multi-cat households, urban settings
Wearable Comfort & Design Long-term wear without irritation All cats, especially sensitive or small breeds

Important: Always ensure that any wearable device fits comfortably and does not restrict movement or cause skin irritation. For GPS trackers and bells, use breakaway collars to prevent choking hazards. Regularly check attachment points and battery life to maintain functionality and safety. Consult your veterinarian before introducing new technology, especially for kittens, elderly cats, or those with medical conditions.

Product Specifications and Features

The NT202 Cat GPS Tracker is a state-of-the-art device designed specifically for pet owners who want peace of mind when their feline companions explore the outdoors. Engineered with precision and feline comfort in mind, this compact tracker combines powerful location technology with user-friendly features to ensure your cat's safety and whereabouts are always within reach.

Advanced Tracking Technology

The NT202 utilizes dual-mode positioning with high-sensitivity GPS and cellular triangulation (LBS) to deliver accurate, real-time location data. This hybrid system ensures reliable tracking whether your cat is roaming nearby or venturing further from home.

  • High-precision GPS module with fast signal acquisition (under 15 seconds in open sky)
  • Cellular network support (4G LTE-M) for consistent connectivity and backup positioning
  • Automatic location updates every 5–30 seconds, adjustable via app settings
  • Geofencing capability with customizable safe zones and instant exit alerts

Technical insight: The device uses Assisted GPS (A-GPS) to reduce power consumption and improve cold-start performance.

Real-Time Notifications & Alerts

Stay informed about your cat's movements with intelligent alerting features that keep you connected to your pet's activities.

  • Instant push notifications when your cat leaves a designated "safe zone"
  • Movement alerts if the tracker detects unusual activity patterns
  • Battery low warnings sent 24 hours before depletion
  • Signal loss alerts if the device goes offline or enters a dead zone
  • Customizable notification preferences (sound, vibration, frequency)

Pro tip: Set multiple geofences for different times of day (e.g., larger zone during daytime exploration, smaller at night).

Lightweight & Cat-Friendly Design

Recognizing that cats are highly sensitive to weight and balance, the NT202 has been meticulously engineered to be as unobtrusive as possible while maintaining durability.

  • Ultra-lightweight construction at just 28 grams (less than two tablespoons of sugar)
  • Ergonomic, rounded shape to prevent snagging on vegetation or furniture
  • Water-resistant IP67-rated enclosure (withstands rain, splashes, and brief submersion)
  • Soft-touch, non-irritating outer casing safe for prolonged contact with fur and skin

Key consideration: Always pair with a breakaway safety collar or secure harness to prevent entanglement risks.

Extended Battery Life & Charging

The NT202 offers impressive battery performance tailored to typical cat behavior patterns, minimizing the need for frequent recharging.

  • Up to 7 days of battery life in standard tracking mode (15-second intervals)
  • Up to 14 days in eco-mode (30-second intervals) for less active cats
  • USB-C fast charging (0–100% in approximately 90 minutes)
  • Low-power standby mode extends life when not in active use
  • Battery status visible in-app with estimated time remaining

Smart feature: Adaptive power management adjusts update frequency based on movement and signal strength.

Mobile & Web Compatibility

Access your cat’s location and settings from any device, anywhere, with seamless cross-platform integration.

  • Free companion app available for iOS (12.0+) and Android (8.0+)
  • Full-featured web dashboard accessible from any modern browser
  • Synchronized data across all logged-in devices in real time
  • Location history accessible for up to 30 days
  • Share access with family members or pet sitters via secure invitations

User benefit: View your cat’s route history overlaid on satellite or street maps for detailed behavior analysis.

Installation & Setup Guide

Getting started with the NT202 is quick and intuitive. Follow these steps for optimal performance:

  1. Charge the Device: Use the included USB-C cable to fully charge the tracker before first use (approx. 90 mins).
  2. Download the App: Install the "PetTrack Pro" app from the App Store or Google Play.
  3. Create an Account: Register with your email and set up secure login credentials.
  4. Pair the Device: Enable Bluetooth and follow in-app instructions to sync the NT202 to your account.
  5. Attach Securely: Fasten the tracker to a well-fitted harness or breakaway collar—never directly to thin strings or ribbons.
  6. Test the Signal: Walk with your cat or simulate movement to verify real-time tracking and alerts.

Best practice: Perform a test run in a controlled environment before allowing unsupervised outdoor access.

Maintenance & Long-Term Care

To ensure the NT202 performs reliably over time, regular maintenance is essential. A well-maintained tracker provides years of dependable service.

  • Regular Charging: Recharge the device when battery drops below 20%. Avoid letting it fully drain to preserve battery health.
  • App Updates: Keep the companion app updated to access new features, security patches, and performance improvements.
  • Device Cleaning: Wipe the tracker weekly with a damp cloth. For deeper cleaning, use a soft brush to remove dirt from seams (do not submerge).
  • Hardware Check: Inspect the attachment clip, casing, and charging port monthly for damage or wear. Replace if compromised.
  • Software Maintenance: Ensure your smartphone has sufficient storage and updated OS to support the tracking app efficiently.
  • Firmware Updates: The NT202 receives over-the-air firmware updates to enhance accuracy, battery life, and connectivity.

Professional Recommendation: For optimal safety, use the NT202 in conjunction with a microchip and ID tag. While GPS provides real-time tracking, physical identifiers remain crucial if the tracker is lost or removed. Additionally, monitor your cat’s behavior after introducing the tracker—some cats may need a short adjustment period. Start with short indoor sessions before progressing to outdoor use.

Feature Specification Benefit
Weight 28 grams Light enough for small cats; won’t affect natural movement
Battery Life Up to 7 days (standard), 14 days (eco-mode) Less frequent charging; ideal for weekend explorers
Tracking Accuracy GPS: ±5 meters, LBS: ±100 meters Precise location in open areas; reliable fallback in cities
Water Resistance IP67 (submersible up to 1m for 30 mins) Safe in rain, puddles, or accidental drops in water
Compatibility iOS, Android, Web Browser Access from phone, tablet, or computer anytime

Quality and Safety

When it comes to pet safety, quality and reliability are non-negotiable. As pet owners increasingly rely on technology and accessories to keep their cats safe, understanding the safety standards and construction of these products is essential. This guide explores the key quality and safety features of two popular cat accessories: GPS trackers and collars with bells. From materials and design to compliance and testing, we’ll help you make informed decisions to protect your feline companion.

Safety First: Always supervise your cat during the initial use of new accessories. While modern pet products are designed with safety in mind, individual cat behavior and environment can influence how safely a product performs.

Cat GPS Tracker

GPS trackers have become indispensable tools for cat owners seeking peace of mind when their pets roam outdoors. These devices are engineered not only for accurate location tracking but also for durability and safety in real-world conditions. Below are the critical factors that ensure GPS trackers are safe, reliable, and built to last.

  • Materials Used

    High-quality GPS trackers are constructed from impact-resistant polymers and rugged plastics designed to withstand falls, scratches, and outdoor elements. These materials encase sensitive electronics, protecting them from shock and vibration. Most units feature IP67 or higher water resistance ratings, meaning they can survive immersion in water up to 1 meter for 30 minutes—ideal for cats that encounter rain, puddles, or even accidental swims.

  • Collar and Harness Safety

    GPS trackers are typically attached to collars or harnesses made from non-toxic, hypoallergenic materials such as medical-grade silicone, nylon webbing, or eco-leather. These materials resist fraying, UV degradation, and bacterial growth. Harness-compatible designs distribute weight evenly across the cat’s body, reducing strain on the neck and minimizing the risk of injury during movement or escape attempts.

  • Battery Safety

    Pet GPS devices use sealed lithium-polymer or lithium-ion batteries designed with multiple safety layers, including overcharge protection, thermal cutoffs, and short-circuit prevention. The battery compartment is fully enclosed and tamper-resistant, preventing access even if the cat chews on the device. In rare cases of ingestion, the compact, smooth design reduces internal injury risk, and the casing is made from non-toxic, food-safe plastics.

  • Standards and Compliance

    Reputable GPS tracker manufacturers adhere to strict regulatory standards, including FCC (Federal Communications Commission) certification for radio frequency emissions and CE marking for European safety compliance. Many also meet RoHS (Restriction of Hazardous Substances) directives, ensuring the absence of lead, mercury, cadmium, and other harmful materials. These certifications guarantee that the device operates safely within legal limits and poses no electromagnetic interference risks.

  • Testing

    Before reaching consumers, GPS trackers undergo extensive testing protocols. This includes drop tests from various heights, temperature cycling (-20°C to 60°C), humidity exposure, and continuous operation stress tests. Firmware is evaluated for crash resistance, GPS signal accuracy, and low-battery performance. Some brands conduct real-world field testing with cats to assess comfort, retention, and usability in diverse environments.

Pro Tip: Choose a GPS tracker with a lightweight design (under 1.5 oz / 40g) to ensure your cat remains comfortable during extended wear. Look for models with a low-profile shape that won’t snag on bushes or furniture.

Collar with Bell

Collars with bells serve both functional and safety purposes. While bells can help monitor a cat’s movement indoors or discourage hunting, the collar itself must prioritize comfort and emergency safety. Modern cat collars are designed with breakaway mechanisms and high-grade materials to protect your pet in everyday and emergency situations.

  • Quality Materials

    Durable collars are crafted from premium nylon webbing, genuine leather, or stainless steel, each offering unique benefits. Nylon is lightweight and washable, leather provides a classic look and molds to the cat’s neck over time, and metal collars (often used for decorative purposes) are coated to prevent rust and skin irritation. All materials are tested for tensile strength and resistance to fraying, ensuring long-term reliability.

  • Adjustable and Safe Design

    Most collars feature multiple adjustment points to accommodate kittens, adult cats, and cats with thick fur. The most critical safety feature is the breakaway buckle or quick-release clasp. This mechanism is engineered to detach under sudden pressure—such as if the collar snags on a fence or tree branch—preventing choking or entrapment. Some advanced models use dual-release systems for added security.

  • Bell Quality

    Modern collars use “silent” or “muted” bells made from lightweight aluminum or plastic with internal dampeners to reduce noise volume. These bells are securely enclosed in protective cages to prevent direct contact with the cat’s skin, eliminating the risk of pinching or irritation. The bell is firmly attached to avoid detachment and potential ingestion.

  • Regular Testing

    Manufacturers subject collars to rigorous durability tests, including tensile strength assessments, buckle release force measurements, and simulated snag scenarios. Bells are tested for sound levels to ensure they don’t exceed 60–70 decibels—safe for feline hearing. Long-term wear tests evaluate color fading, stitching integrity, and hardware corrosion resistance.

Product Type Safety Feature Material Standards Recommended Use
GPS Tracker Breakaway mounting clip, sealed battery IP67 waterproof, RoHS compliant Outdoor roaming, travel, escape prevention
Collar with Bell Breakaway buckle, silent bell casing Hypoallergenic nylon/leather, non-toxic dyes Indoor monitoring, hunting deterrence
Combination (Tracker + Bell Collar) Detachable tracker, dual safety release UV-resistant, chew-proof coating Active outdoor cats needing visibility and tracking

Expert Advice: If your cat wears both a GPS tracker and a bell collar, ensure the combined weight does not exceed 5% of your cat’s body weight. Regularly inspect all attachments for wear, and replace any frayed straps or loose hardware immediately.

Best Practices for Pet Safety

  • Always fit the collar so that you can slip two fingers comfortably underneath.
  • Check your cat’s neck weekly for signs of irritation, especially when using new collars.
  • Remove GPS trackers during swimming or bathing unless explicitly rated waterproof.
  • Replace collars every 6–12 months or sooner if signs of wear appear.
  • Opt for GPS trackers with geofencing and low-battery alerts for proactive safety monitoring.

Investing in high-quality, safety-tested pet accessories is one of the most effective ways to protect your cat. Whether you choose a GPS tracker, a bell collar, or both, always prioritize products that meet recognized safety standards and are designed with your cat’s well-being in mind. When in doubt, consult your veterinarian or a certified pet behaviorist for recommendations tailored to your cat’s lifestyle and needs.

Frequently Asked Questions About Cat GPS Trackers & Collar Bells

Q1: What is a cat GPS tracker and how does it work?

A1: A cat GPS tracker, such as the mini pet GPS tracker NT202, is a compact electronic device designed to be securely attached to your cat's collar or harness. It uses signals from GPS satellites to pinpoint your cat’s exact location in real time. Once the location is determined, the data is transmitted via cellular networks (like 4G) to a mobile app or web platform, allowing you to monitor your cat’s movements from your smartphone or computer. This technology is especially useful for outdoor cats or those prone to wandering, offering peace of mind and enhanced safety.

Q2: Does the GPS tracker work without a mobile app?

A2: Most modern cat GPS trackers, including the NT202, require a dedicated mobile app to access their full range of features—such as live tracking, location history, and geofencing alerts. While some advanced models may offer limited web-based access through a browser, the mobile app remains the primary and most user-friendly interface. Without the app, you would not be able to view real-time updates or receive push notifications, significantly reducing the device’s effectiveness.

Q3: How does the GPS tracker in the market differ from the cat GPS tracker NT202?

A3: The pet GPS tracker market offers a wide variety of models, each with different capabilities. Many general pet trackers use a combination of GPS, Wi-Fi positioning, and cellular triangulation to estimate location, which can be less accurate in remote areas. In contrast, the NT202 relies solely on GPS and cellular network connectivity, ensuring consistent and precise outdoor tracking.

Key advantages of the NT202 include:

  • Geofencing Alerts: Receive instant notifications when your cat enters or leaves a user-defined safe zone (e.g., your backyard).
  • Focus on Location Accuracy: Unlike some models that include activity or health monitoring, the NT202 prioritizes reliable, real-time location tracking.
  • Compact & Lightweight Design: Specifically engineered for cats, making it more comfortable than bulkier dog-oriented trackers.

While certain competing models may offer additional wellness features, the NT202 excels in core functionality: helping you locate your cat quickly and accurately.

Q4: Is the Cat GPS Tracker waterproof?

A4: The NT202 is not fully waterproof but is built with durable, weather-resistant materials. This means it can withstand exposure to light rain, snow, and humidity without malfunctioning. However, it is not designed for submersion in water or prolonged exposure to heavy downpours. For optimal performance and longevity, avoid letting your cat swim with the device or leaving it out in extreme weather conditions.

Q5: How can the GPS tracker help find a lost cat?

A5: One of the most valuable features of the NT202 GPS tracker is its real-time location tracking. If your cat goes missing, you can open the companion app to instantly see its current or last known position on a map. The app provides turn-by-turn directions and updates at regular intervals, guiding you directly to your pet.

This capability drastically reduces search time and increases recovery chances, especially in unfamiliar neighborhoods or wooded areas. Combined with geofence alerts, the tracker acts as an early warning system—potentially preventing your cat from getting lost in the first place.

Q6: How do collar bells benefit cats?

A6: Adding a bell to your cat’s collar offers several important benefits:

  • Wildlife Protection: The bell alerts birds, rodents, and other small animals to your cat’s presence, reducing successful predation and helping preserve local ecosystems.
  • Prevents Surprise Encounters: Other pets or people can hear the bell and be aware of the cat’s approach, minimizing stress or potential conflicts.
  • Deters Roaming: Some cats are less likely to wander far when wearing a bell, as it disrupts their stealth—this can help keep them closer to home.
  • Breeding Prevention: In multi-cat neighborhoods, the sound can signal a cat’s presence to others, potentially discouraging unneutered cats from approaching and mating.

Overall, a bell promotes safer and more responsible outdoor behavior.

Q7: Do cat collars with bells pose any dangers?

A7: When used correctly, cat collars with bells are safe and pose minimal risk. The key is using a properly fitted, breakaway-style collar with a safety release clasp. These collars are designed to snap open if snagged on branches, fences, or other objects, preventing choking or entanglement.

The bell itself is typically enclosed or securely fastened to prevent ingestion or injury. However, it’s important to regularly check the collar for wear and ensure it fits snugly—allowing only two fingers between the collar and your cat’s neck.

Note: Kittens, elderly cats, or those with anxiety may be sensitive to the sound. Monitor your cat’s behavior after introducing a bell, and remove it if signs of stress appear.