[Low Power] Smart WIFI Video Doorbell has a new-generation intelligent video doorbell that monitors everything happening , wherever you are. [It is also the doorbell is also monitoring] No need to open the door, you can use the mobile phone to make video calls with the visitors, not afraid to open the wrong door and not afraid of someone , is . [166 degree large viewing angle] 166 visual lens, large field of view, almost can see the whole door [Video Intercom] Video chat can be smoothly performed with visitors at any time and place, and two-way speech denoising and code rate adaptation are adopted to make video and sound more clear and reliable. [PIR detection alarm] PIR detects someone staying outside the door, will push the message to remind the user, and will automatically record through the APP phone (PIR can set high / medium / low sensitivity) Note: The product size is measured by hand and there is a small amount of error. Please refer to the actual product. This product does not contain batteries, memory cards Home alarm intelligent remote monitoring video doorbell Mobile phone with real-time video, two-way conversation Infrared mobile surveillance HD camera lens angle: full 6G2P super wide-angle 1.7mm lens Monitoring software: support , android models use Video intercom: The user connects to the video and can directly talk to the visitor video through the mobile app. Remote : The user can also initiate monitoring automatically, and open the APP to remotely view the battery doorbell real-time monitoring screen. WIFI connection: built-in WIFI module Infrared night vision: support Time playback: Users can view past stored event photos and event video voices in the app. Intelligent online: Sonic pair code, LAN search and QR code scanning add multiple online methods size:133x69x35.5mm Material:ABS colour:Black Package Contents: 1 x Doorbell (battery not included) 1 x Chinese and English manual 1 x Screw packing Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.