Smart Wireless Bluetooth 4.0 Tracker Alarm System

Main Features: Bluetooth 4.0 connection Anti-lost for pets kids elders and something valuable Two-way paging: the anti-lost tracker and your phone will alarm simultaneously beyond a certain distance Tracking location: recording the track, locating Remote control camera shutter or recording: press the button to take a photos or recording Built-in CR2016 cell battery You can download the APP "E3-A" in Apple Store or Google Play