1、7inch color TFT LCD monitor, low power consumption and high definition. 2、IR camera with night vision, you can see outside situation at night clearly. 3、Support volume, brightness and contrast adjustable function. Hands-free intercom communication. 4、25 chords music are optional and the monotonous doorbell will not be heard all the time. 5、ABS engineering plastics panel of indoor unit, fashionable and luxury. Features: 7inch color TFT LCD monitor, low power consumption and high definition. IR camera with night vision, you can see outside situation at night clearly. Support volume, brightness and contrast adjustable function. Hands-free intercom communication. ABS engineering plastics panel of indoor unit, fashionable and luxury. Rainproof and oxidation-proof for the durable outdoor camera.The wall-mounted installation is simple and convenient. Specification: Material: Engineering Plastic Resolution: 800*480 Power Consumption: Standby≤ 1W, Working ≤ 10W Ring Tone: 25 Chords Connection mode: RVV4 core wire connection, one drag multiple indoor unit with RVV5 core wire connection (the longest distance is 100 meters) Installation Method: Wall-mounted Outdoor Camera: Function: Visual Intercom, Unlock, Infrared Night Vision, Rainproof Camera: 700-line CMOS color digital HD camera with ultra-strong backlight compensation Call: Two Call Buttons Power Consumption: Standby ≤ 0W, Working ≤ 2W Connection Mode: RVV4 Core Wire Night Vision: 6pcs LED Infrared Night Light Optimum Night Vision Distance: 0.2-1.0m Lens Angle: 90 degrees Working Temperature: -20~ +60℃ Package list: 1 * Outdoor Camera 2 * Indoor Monitor 3 * 4 Core Wire 2 * 2 Core Wire 3 * 5 Core Wire 2 * Wall Mount 4 * T Wall Mount 2 * Power Adapter 1 * White Cable 14 * Screws 10 * Expansion Tube 1 * User Manual