Feature:1. Multifunction: Video doorbell supports monitoring, hands free 2 way talk, unlocking, wireless control, password unlocking, electronic lock control function, etc.2. Adjustable Setting: This video intercom doorbell has a ringtone with adjustable volume, brightness and contrast, which can be adjusted according to needs and preferences.3. LCD Display: This smart electronic doorbell features a TFT LCD display for your convenience, radiation free, low power consumption, and high definition.4. Night Vision Infrared Camera: This video doorphone system includes an infrared night vision camera, high definition, you can monitor the outside of the door at night.5. Touch Button: This doorbell has a touch button, ultra thin design, and is compatible with most electronic locks with delayed unlocking function.Specification:Item Type: DoorbellMaterial: ABS plasticPlug Type: EU Plug 100V-240VTFT LCD Resolution: 800 x 480Best Distance at Night: Approx. 0.2-1.0 Meters / 0.66-3.28ftPower Input Voltage: AC 100V-240VOutput Voltage: DC15V 1.2ACamera Angle: 90 Degrees V7022B-L + Working Temperature Range: -30-60Dimensions: Approx. 210 x 134 x 23mm / 8.27 x 5.28 x 0.91inGlass Panel + Aluminum Installation Method: Surface Installation.Cable: 4P and 5P Fixed ModeWall Mounted Wiring Method: RV4 core wire connection distance 100M.Package List:1 x Outdoor Unit1 x Indoor Unit1 x Hanging Board1 x Power Cord1 x Test Terminal Line7 x Screw7 x Plastic Screw1 x Screw1 x Wrench2 x Line1 x Manual