Features: With rain cover, it is effective against rain and dust. Do not allow rain and dust to enter the inside of the fuselage. One-touch call, two-way intercom, call unlocking, convenient and fast. With 4 infrared night vision fill light, high-definition night vision effect, can also protect the home at night. With the industry's high-definition CMOS image sensor, the image is clear and natural. Support video intercom, infrared night vision, with unlock, monitor, and anti-disturbance function. 25 chord ring tones, ring volume adjustable. One-click monitoring to see the situation outside the door. Supports hands-free and handle-handed calls with clear sound and good sound quality. Specifications: Condition: Brand New Material: ABS Function introduction: 7inch color HD video intercom, infrared night vision doorbell, visual, non-disturbing, multi-in-one internal intercom. Photo recording, support TF card, UI interface menu, away from home mode Display: TFT-LCD 7 inch Resolution: 800*480 Receiver size: Approx.230*165*20mm/9.1*6.5*0.8in Power adapter: 5V/1A Video output format: PAL and NTBS Video output: 1Vp-p CVBS Working current: <400MA Working frequency: 2.4G ISM digital common frequency Ringtones: 12 chord music Installation method: wall-mounted Color: silver Function introduction: video intercom, ID unlock, night vision surveillance Camera: 700 line CMOS color digital HD camera Power consumption: Standby ≤ 0W, work ≤ 2W Power supply mode: indoor extension power supply The best distance for night vision: 2--3 meters Camera angle: 90 degrees Night vision: 5 LED lights Operating temperature range: -20-+60 degrees Celsius Host material: acrylic panel Installation method: hanging wall Dimensions: Approx.(length) 180* (width) 98* (thickness) 40mm/7.1*3.9*1.6in Weight: Approx.1395g/49.2oz Package List: 1 * Outdoor Unit 1 * Indoor Unit 1 * Power Plug 1 * White Test Line 2 * Instruction 1 * 2-core Line 1 * 4-core Line 1 * 5-core Line 5 * Screw 5 * Expansion Tube 1 * Wall Mounting 4 * ID Card 1、With rain cover, it is effective against rain and dust. Do not allow rain and dust to enter the inside of the fuselage. 2、One-touch call, two-way intercom, call unlocking, convenient and fast. 3、With 4 infrared night vision fill light, high-definition night vision effect, can also protect the home at night. 4、With the industry's high-definition CMOS image sensor, the image is clear and natural. 5、Support video intercom, infrared night vision, with unlock, monitor, and anti-disturbance function.