Overview: This is a wireless wifi smart doorbell uses P2P technology. You can connect a wireless router or point-to-point AP Mode and phone connection, support for mobile phones and tablet computers. When the visitors ring the doorbell, the mobile phones and doorbell can be real-time video and talk, take pictures, record video and so on. Features: *Megapixels CMOS sensor, HD 720P clear images displaying. *Support two-way voice intercom. *PIR + motion detection + tamper alarm, instant message push, call and record. *Support visual intercom, IR night view, rainproof, TF card record, snapshot. *Support indoor doorbell ringing function. Specifications: Image Sensor: 1/4inch CMOS Pixels: 1.0MP megapixels Record Resolution: 720P View Angles: >100 degree IR LED: 2pcs, auto on/off Infrared Night Vision Distance: 1.5-3 meters Indoor Doorbell Receiving Distance: >8meters TF Card: support 32G (not included) Wireless WiFi Standard: IEEE802.11b/g/n WiFi Wireless Distance: About 10-20 meters, depending the work environment and so on Minimum Illumination: 2LUX Online User: 8 maximum Doorbell Power Supply: DC 12V 1A Material: Metal Size: Approx.14*7.5*2.5cm/5.5*3*1in Package Information: Package Size: Approx.17.5*12.5*11.3cm/6.9*4.9*4.4in Package Weight: Approx.643g/1.4lb Package List: 1 * WiFi Doorbell 1 * Bracket 1 * US Doorbell 1 * US Power Adapter 1 * Connection Cable 1 * Bag of Screws 1 * User Manual (English)