Hikvision 7″ Video Door Phone DS-KIS202 * Display Resolution: 800 × 480 * Video Door Phone Built-in Omnidirectional Microphone Built-in Loudspeaker Noise Suppression and Echo Cancellation 4 Four-Wire Interfaces (1-ch Video Input, 1-ch Audio Input/Output, 1-ch Power Supply, 1-ch Grounding in 1 Four-Wire Interface) 12VDC Power supply door station with self adaptive ir supplement7\"LCD Wired Video Door Phone Doorbell Intercom Home System.Features:-Indoor unit, fashionable and luxury. -Little rain and oxidation-proof for the durable aluminum alloy outdoor unit. -7" color TFT LCD without radiation, low power consumption and high definition. -IR Camera with Night Vision. -Electric lock-control function. -Handsfree intercom. -Mute indoor intercom function. -Monitoring the outside of the door. -Volume, brightness and contrast adjustable. -Easy installation by yourself with adapter and cable we provide in this kit.Specifications:Outdoor CameraCamera: 1/4" CMOS 1000TV LinesMin. Illumination: 0.5LuxVideo output: 1Vp-p/75ΩAdapter input: AC100~240V, 50/60HzAdapter output: DC15V/1.2AWires for Lock-camera connection. Working Temperature: -20°C to 50°C Installation: Wall mountedMaterial: ABS plastic & aluminum alloy MonitorScreen: 7" TFT/LCDPower source: AC100V-240V / 50-60HzEffective pixels: 480 * 234 * 30Power: ≤14W(operation), ≤2W(standby)Wiring: 4 wiresDimensions: 128×42×24mm/9.45*5.91*0.79inPackage includes:1 * Outdoor Unit 1 * Indoor Unit 2 * DC15V Adapter 1 * User Manual 1 * Package of Screws