Lightweight and portable: The anti-lost key finder is small and portable, allowing you to carry it easily and can be used for keys, mobile phones and other devices. Battery Life: The wireless item locator uses CR2032 button cell battery to give you a long standby time of about 10 months, and the battery is easy to replace. Attention anti -loss: The smart GPS tracker is ideal for traveling and preventing loss, making it a practical tool for locating your belongings and reminding you of forgotten things. Wide compatibility: anti-loss GPS trackers lost allow you to view the location of the map on your phone after disconnection, suitable for iOS systems and versions 4.3 or above. Quick locate: The pet tracker allows you to quickly locate keys, wallets, remote controls, pets, luggage and other items within about 15m. Product size 38*38*7mm Note: the data are all measured manually, please allow 1-3cm error due to differences in light and display, there may be color differences, please refer to the actual item received.