A convenient anti-loss buzzer that can track the location of luggage and children. - Color: White - Function: Prevents loss of luggage - Size: 52mm x 31mm x 11mm Thank you for looking. This is a GPS tracker that is useful for preventing the loss of bags and wallets, and for keeping an eye on children and pets. The effective range is 25 meters, and it uses a CR2032 button battery. Simply install the app and pair it with your smartphone for easy setup. [Find Items] The key locator is a small tool that helps you search for and find items you always misplace. Attach it to your luggage, wallet, keychain, pet, etc. If you can't find your item, double-tap the button in the app and it will beep to help you find it quickly. [Compatibility] You can check the location on the map when the anti-loss device is disconnected from your mobile phone. Supports iOS system and Android 4.3 or later (Bluetooth 4.0 required). You can download the "iSearching" app from the app store or scan the QR code included in the manual to download the software. #GPSTracker #LuggageLossPrevention