Features:1. Equipped with 2 monitors to meet the demands of small or large apartments, community and so on.2. 7in HD TFT LCD display has low power consumption, HD image and no radiation.3. IR-CUT double filter supports automatic switch between day and night to restore clear and true colors.4. HD image resolution with 92 wide viewing angle provides you a clearer and broader monitoring picture of the outside.5. With speakerphone function, electronic lock opening function and outside monitoring function.6. 25 types of ringtones are optional, bringing you diversified doorbell sound.7. Comes with mounting cables and adapters for simple installation.8. With this door phone kit, you don't have to worry about home security, it will add more convenience to your busy daily life.Specification:For Outdoor Camera:Model: HID3Night Vision: IR LightNight Vision Range: Approx. 3meters/9.8tfAngle of View: 92 Degrees Wide AngleResolution: > 1000TV LineControl: AutomaticPower Consumption: 0.1W at Standby, 6W at UnlockMounting: Embedded InstallationSize: Approx. 265 x 128 x 48mm/10.4 x 5 x 1.9inMaterial: Aluminium AlloyFor Indoor Monitor:Screen: 7in TFT / LCDPower Supply: AC100V-240V / 50-60HzEffective Pixels: 480 x 234 x 30Power: 14W at Working, 2W at StandbyWiring: 4 CableSize: Approx. 225 x 128 x 20mm/8.9 x 5 x 0.8inOptional Plug Standard: EU, US, UK, AUPackage List:1 x Outdoor Machine (3-Key Camera)2 x Indoor Machine (Monitor)2 x DC15V Power Adapter4 x 4-Core Cable3 x 2-Core Cable7 x 125KHz RFID Card2 x Screw Pack1 x User Manual Note: 1. Electric door lock/release cable is connected to the camera unit.2. The connection lock must be used in conjunction with the access control power supply.3. Each indoor unit is connected to the external unit through 4 core wires, and the equipment is powered by the indoor machine.