This app use iPhone(iPhone 4s,iPhone 5,iPhone 5c,iPhone 5s，iPhone 6/6s/7，iPhone 6/6s/7 plus)/iPads(iPad 3，iPad 4,iPad Air,iPad Air2,iPad mini,iPad mini 2, iPad mini 3, iPad mini 4,iPad Pro) bluetooth communication with Rtrivr ble hardware products, to achieve the two sides to alarm, data transmission, remote control picture, remote video, etc.
Continued use of GPS running in the background can dramatically decrease battery life.