Features: It is made of aluminum alloy, anti-oxidation, anti-water, anti-corrosion, and durable to use. 7" color TFT LCD has no radiation, low power consumption and high definition. Night vision infrared camera. Multiple function: Electric lock control function, Hands-free intercom, Silent indoor intercom function, Monitor function. This product has 16 doorbell rings for you to select freely. Volume, brightness and contrast are adjustable. Easily install with the adapters and cables we offer in this kit. Specification: (Outdoor camera) Camera: 1/4" CMOS Illumination: 0.5Lux Video output: 1Vp-p /75Ω Adapter input: AC100~240V, 50 / 60Hz Adapter output: DC15V / 1.2A (A wire used to lock the camera connection) Working temperature: -20°to 50° Installation method: wall-mounted Material: ABS plastic and aluminum alloy Size: about 12.6 * 9.5 * 3.5cm/ 4.9 * 3.7 * 1.3in (Monitor) Screen: 7" TFT / LCD Power supply: AC100V-240V / 50-60Hz Effective pixels: 480 * 234 * 30 Power: ≤14W (running), ≤2W (standby) Wiring: 4 lines Plug standard: EU, US, UK, AU(OPTIONAL) Voltage: 110-240V Package List: 1 * Outdoor Unit (Camera) 1 * Indoor Unit (Monitor) 1 * DC15V Adapter 1 * 5m 4-core Connection Cable 1 * 2-core Connection Cable 2 * 4-core Connection Cables 1 * User Manual 1 * Screw Packaging 1、It is made of aluminum alloy, anti?oxidation, anti?water, anti?corrosion, and durable to use. 2、7" color TFT LCD has no radiation, low power consumption and high definition. 3、Multiple function: Electric lock control function, Hands?free intercom, Silent indoor intercom function, Monitor function. 4、Night vision infrared camera. 5、Volume, brightness and contrast are adjustable.