7in 1080P Wireless Doorbell Fingerprint Password Face Recognition Video 2 Way Talking Night Vision Item Type: Wireless Doorbell Material: ABS Plastic Indoor Monitor:  7-Inch High-definition Digital LCD Monitor, Resolution: 1024 x 600 Using a multi-point capacitive touch screen makes the operation easier. Using for Android system, stable and easy to operate. The indoor display can perform duplex visual intercom with wifi doorbell and mobile phone, and the sound is clear and clear. For 1V2 or higher mode, the internal intercom function is supported. Take pictures, support up to 16G Memory card (not included). Supports 10 different types of languages such as English, French, German, Italian, Japanese... etc. Power Supply: DC15V Built-in wireless wifi function for indoor display Size: Approx. 203x138x18mm/8x5.4x0.7in Outdoor Camera:  With a 3.5-inch touch screen on the outside, it is easier to operate Image Sensor: 1 / 3inch CMOS Pixel: 1080P Support password, 500 fingerprint, 500 face recognition to unlock Viewing Angle: 92 degrees Light Sensor: Built-in Infrared Lights: 5, automatic on/off, 1 infrared sensor Minimum Illumination: 0 LM (IR on) Size: Approx. 200x100x55mm/7.9x3.9x2.2in How e:  1. Download The Corresponding APP: Villa Bell from your mobile phone, and connect the mobile phone and doorbell to the same WiFi at home, and then the pairing is successful. 2. Use the unlocking terminal line to connect the outdoor unit with the access control electronic lock to realize the doorbell unlocking and mobile phone remote unlocking functions. 3. Adjust the color and brightness of the display, and use the intercom function of the doorbell.