Features: Voice doorbell, talk with visitor via two-way voice intercom,know who visit your home, There are 12 chord music for you to choose from. Low power consumption, long standby time for outdoor-bell. Big and adjustable speaker, clear voice, can be used as mobile interphone. Easy installation - The doorbell can be fixed on the wall with the use of adhesive stickers. 6 LED infrared night light lights let you see clear at night. Exquisite, small, beautiful, and high grade. Waterproof function so you don't have to worry about outdoor weather. Specifications: Condition: Brand New Color: Show as Picture Display: TFT-LCD Display Resolution: 800 * 480 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 Function: Video Intercom, Unlo ck, Monitor, infrared night vision, rainproof Installation Method: Hanging Camera: Power Consumption: Standby <= 0W, Work <= 2W Power Supply Mode: Indoor Extension Power Supply Wiring Method: RVV4 Core Wire Night Vision: 6 LED Infrared Night Light The Best Distance For Night Vision: 0.2-1. Camera Angle: 90° Operating Temperature Range: -20-+60 ℃ Host Material: ABS Plastic Installation Method: Paperback Installation Package List: 1 * Camera 2 * Display 1 * 4-core Wires 2 * 2-core Wires 5 * 5-core Wires 2 * Hanging 2 * Power Plug with Cable 1 * White Test Line 10 * Screw 1 * Expansion Tube 1 * Instruction Manual 1 * Wrench .