Item Type: Video Doorbell Material: Zinc alloy, ABS Gross Weight: Approx. 1111g / 39.19oz Display product size: 22.8x16.3x2cm / 8.98x6.42x0.79in Display: IFT LCD 7 inch high definition LCD display Resolution: 800x480 Input Voltage: AC100V-240V, output power Power Consumption: Standby 1W, working 3W Ringtones: 25 polyphonic music Wiring Method: One to one RVV4 core wire connection (or 2 core super five network cable and use as core): One to many indoor unit and indoor unit RVW5 core wire connection (the longest distance is 100 meters) Installation Method: Wall hanging Camera: 1MP high definition camera with super backlight compensation Power Supply Mode: Indoor extension power supply Wiring Method: RVV4 core wire connection Night vision: 4 LED infrared night lights The Best Distance for Night Vision: 0.2-1.0 meters Camera Angle: 90 degrees Operating Temperature Range: -20-+60 Package List 1 x Monitor 1 x Doorbell 7 x Expansion Tube 7 x Expansion Screw 1 x Hex Wrench 1 x Screw 1 x Extension Cable 3 x Connection Cable 1 x Bottom Plate 1 x Power Adapter 1 x English Instruction Manual 1One Touch Call: One key call and two way intercom, the visitor taps the call key, the indoor unit responds immediately, and the call is unlocked, which is convenient and quick. 2Nice Appearance: The outdoor video intercom owns an ABS plastic shell, bright and full color. And the line shape embellishment is very unique too. 3With LCD Screen: The LCD display has a 800x480 resolution, which has a bright color and high reproduction. Makes it easier for you to watch inspection videos. 4Easy to install: Wall mounted installation is simple and labor saving, screws are provided, which makes the installation is more simple and effortless. 5Wide Application: You can open and unlock through all indoor monitors, it is very convenient and widely used in apartments, villas, hotels and offices.