Mini GPS Tracker for Cats/Dogs (42*40*10mm), Bluetooth Tracker for Pets, Dogs, Kids, Cats, Luggage, Wallet, Keychain, Waterproof and Portable Tracking Accessory Pinpoint Accuracy: This pet GPS tracker lets you know the exact location of your pets with 24-hour continuous real-time monitoring. Check your pet's location anytime and clearly understand their direction of movement, preventing loss or theft. You can set up a geofence around the tracker, which will immediately alert you when the animal enters or leaves the area. Remote Listening: Real-time positioning, mobile request, electronic fence, track query, low battery alarm, standby time, silent maintenance. With the pet GPS tracker, you can set the guardian's mobile number to stay connected with your pet from a long distance. Compatible with iPhone, Android 8.0 and later, and Bluetooth 4.0 and higher. The device's effective usage distance is up to 10 meters in a wide area. The CR2032 button battery can be easily purchased in major supermarkets. The original battery can work for more than half a year. Safety Fence: This anti-loss device is based on the latest Bluetooth technology (compatible with Bluetooth 4.0) for low power consumption. Through the use of application software, mobile phones, and other mobile devices for Bluetooth connection, it can bind items and valuables (keys, handbags, etc.) that users can easily lose together, and realize the functions of loss reminder, two-way search, remote photography, recording, and so on.