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, Unlock, 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 x Camera 2 x Display 1 x 4 Core Wires 1 x 2 Core Wires 3 x 5 Core Wires 2 x Hanging 2 x Power Plug with Cable 1 x White Test Line 10 x Screw 1 x Expansion Tube 1 x Instruction Manual 1 x Wrench 1、Voice doorbell, talk with visitor via two?way voice intercom,know who visit your home, 2、There are 12 chord music for you to choose from. 3、6 LED infrared night light lights let you see clear at night. 4、Exquisite, small, beautiful, and high grade. 5、Waterproof function so you don't have to worry about outdoor weather.