When people stay in front of door, triggers motion detection, it will notify mobile phone APP automatically by the help of its PIR function ; You can see what happen outside the door by remoting video call of your phone, without opening the door. As it is with infrared night vision function, it will turn on infrared night vision device automatically.
Specification: 85 * 85 * 30 mm
Networking: wi-fi (2.4g)
Control: Android4.3 above, IOS7.0 above
Controllable distance: wi-fi coverage
Resolution: 1280*720
Visible Angle: maximum visible Angle 170°
Audio: two-way intercom, with echo elimination
Power type: 18650 battery *2
Push: push within 2s quickly