ebtintin 2 Pack of Bluetooth Itag Anti-lost Anti-theft Alarm Device Tracker Key Cell Kids Pets Finder (Green) Protect your phone from theft or loss by ringing phone and itag simultaneously when they are out of the effective distance range (7-30 feet) The location function is very perfect for road nerds, and it can provide a last seen pin-drop on map to help you recover your items and search your cars in parking site. Benefiting from the built-in low consumption bluetooth 4.0, the battery can last for about 1 year. This ultra small size and light weight item ensures maximum convenience and portability. Suitable for Wallet, Car, Kid, Pets, Bags, Suitcase or other valuable belongings