Are you looking for a professional and practical doorbell? If so, check out our updated wireless video doorbell. It has applicable functions such as , audio, video call, support for playback, visitor capture, etc., to meet the needs of different users. Features -Color:White -Material:Plastic -Size:8.00X8.00X4.00cm/3.14X3.14X1.57in -Memory card: 128G -Battery: 1000mAh lithium battery -Sensor range: 20m -Lens: 90° wide-angle lens -Aperture: F2.0 -Working environment: (-20 degree centigrade~20 degree centigrade)-90%RH -When someone the doorbell, you can open the phone to have a real-time conversation with . -Night , even in the dark or at night, the owner can see visitors clearly. -Smart wifi doorbell also supports encrypted , can look through visitor records. -Large-capacity battery, combined with low power consumption design, greatly improves battery life. -The installation is very simple, just refer to the user manual, and it can be installed in about a few minutes. Package list: 1 x Wireless Video Doorbell 1 x USB Charged Machine 1 x USB Cable 1 x User Manual