*High-definition Smart doorbell with 4.3 inch LED display Monitor

*APP remote monitoring real time and playback video. two-way audio support

*Motion detection trigged with pictures/videos record

*Super Wide-angle 170° lens monitoring 24/7.

*APP multi-user login, visitor photos sent to mobile phone

*Android/iOS mobile phone tablet, Micro-SD card or cloud storage

*Suitable door thickness: 35mm-120mm

*Suitable door hole diameter: 14mm-28mm

*Easy and quick installation, no need to drill the door, no damage to the decoration

*New model upgrade to 5000mAh polymer lithium battery build in, Strong standby Mode.