User App: The cat tracker app is free of any service fee, provides a seamless experience for tracking and locating pets or items. GPS Tracker for Cats Dogs is compatible with iPhone and Android  Global Positioning: Cat Tracker for Cats Dogs emits a secure Bluetooth signal every two seconds, allowing owners to track the location of their Pet through the app, and global positioning can be achieved no matter how far away they are Proximity Tracking: When you are near your pet or objects, the BT connection is established, can activate the Find function, smart cat tracker make sounds, you can quickly locate their lost items or pets Widely Used: The cat tracker is not limited to pets, follow furry friend's every step in real-time tracking on your phone, it can also be used to track other valuable items such as keys or wallets Package Include: 1 x Cat Tracker, 1 x Collar, 1 x CR2032 Battery. The package comes with adjustable collar, and tracker is IP67 waterproof, don't worry about bad weather, built-in battery, long standby time, can be replaced at home