Product Description:This video door phone use international 5-wire (or 4-wire) structure design. Use 5-wired system, the fifth wire (green wire) can be used for the intercom between monitors. The max distance of audio & video transmission is about 100 meters.Video: We use TFT-LCD screen, with high resolution, image is very clear. The screen color can brightness can be adjusted by yourself.Camera: We use 700TV Line, with night vision.Audio: We use tel-phone general ship, clearly, strong capability, low failure rate. We use professional music , with 25 music can be chosen. All with adjustable volume.The indoor unit have the monitor function. You can monitor the outdoor scene at any time. It is an ideal home security product which will make for a safer home environment.
Product Specification:Outdoor Camera (Outdoor unit / Outdoor call panel)Camera: 700 line CMOS color digital HD camera with super backlight compensation (The position of the camera can't be adjusted.)Camera Lens: CMOSResolution: 700 TV LineNight Vision: infrared LED Light, visible within 2 metersVision Angle: 85° to 90° wide angle Working Frequency: 125KHzWorking With: EM ID cards or EM compatible cards Card User Capacity: 500 pcsPower: supply from indoor unitPower Consumption: Standby: 0.1W; Working: