Item Type: Video Door Phone Material: Aluminum Alloy +ABS Plastic Outdoor Camera Specifications: Aluminum alloy external device with white LED night vision camera Camera: 1/3in CMOS 1000TV line Viewing Angle: 92 Minimum Illumination: 0.5Lx Video Output: 1Vp-P /75 Connection Method: BUS 2-Wire Installation Method: Wall-Mounted Working Temperature: -30C-50C Size: Approx. 240 x 169 x 24mm/9.4 x 6.7 x 0.9in Monitor Specifications: Screen: 7in LCD Screen Effective Pixels: 1024 x 600 Connection Method: BUS 2-Wire Size: Approx. 151 x 80 x 38mm/5.9 x 3.1 x 1.5in How to Use: 1. The indoor unit, outdoor unit, and power supply are connected by cables, and the power cord is connected to power supply. 2. Adjust the color and brightness of the display, and ensure the doorbell's intercom function can be used. 3. Connect to the electronic lock at home, can realize doorbell unlock. Package List 1 x Outdoor Unit (Camera) 1 x Indoor Unit (Monitor) 1 x DC24V 2.5A Power Supply 1 x 4 Core Connection Terminal Wire 3 x 2 Core Connecting Terminal Line 1 x 2 Hole Terminal 1 x 3 Hole Terminal 1 x 4 Hole Terminal 1 x Bracket 1 x Screw Pack 1 x User Manual 12wire system, power, audio, video and control signals, all signals are transmitted through 2wire nonpolarity central power supply. 2Use plugin connectors and DIP switches for quick installation. Support flexible cable connection, support in and out, branch and mixed mode. 3Camera with builtin white LED night vision device, has good nightvision effect, minimum illumination is 0.5lx. 4Powered by an integrated power supply, support up to 2 outdoor units and 6 indoor monitors (only 1pc monitor and 1pc camera includes). 5Adjustable volume, brightness and contrast, can unlock 2 locks at the same time, and the indoor intercom function can be set to mute. 6The monitor adopts 7in color TFT LCD, no radiation, low power consumption, 1024 x 600 high definition. 7The integrated multifunction and simple operation make the system more attractive. Support twoway handsfree intercom between indoor units. 8Aluminum alloy outdoor unit, rainproof and waterproof, effective against oxidation, can well monitor the outside of the door.