Active Tracking Mode, Manual Search Mode, Phone Protect Mode and Combined Mode;iOS devices (running version 7.0 or newer) with BLE built in: iPhone 4s and newer, iPad 3rd or newer. Android devices (running version 4.3 and above) with Bluetooth 4.0 built in.;Contains 1 FIND, 2 Batteries and 1 Lid Opener;140 mAh Capacity, Output 3 V, CR1632 Lithium Metal Coin Cell;12 months manufacturer warranty