3.5 inches LCD-TFT 4 Wires Colour Video Door Phone

Features1. Converse with visitors and unlock the door remotely 2. Visitors are visualable during communication and ringing. 3. Be able to monitor entranceway actively. 4. Be able to extend for one more wired camera 5. Adjustable contrast of the monitor 6. Adjustable volume of the ringing,call signal sound with electronic chime(DingDong) 7. 3.5 inches LCD-TFT colour module with night vision light8. Argent cover 9. AutoShutDowntime:60seconds10. Installation method: placed flat or Wall-Hung typeSpecificationsMonitorType: Hand Free Power Supply: DC15V+1APower Consumption: Maximum 8W, standby 0.5WAmbient Temperature: 0°C To 55°CAmbient Humidity: 45%-95%SNR: > 40dBDisplay: 3.5″ LCD-TFT screen Call Signal Sound: Electronic Chime(DingDong)Picture Element: Horizontal 450 Lines, Vertical 480 Lines Maximum Wire Length From Camera: 30 meters using 0.65mm Cable Maximum Number monitor per System: 4 monitors Per Camera Installation: Surface-mount/Inlay-inDimension and weight: 170mm X 127mm X 45mm 0.50 kgOutdoor UnitWhite plastic outdoorand prevent splashingPower Supply: DC 15V 0.5APower Consumption: Maximum 2.5W, stand by: 0.1WAmbient Temperature: -10°C to 50°CAmbient Humidity: 45%95%SNR: > 40dBCMOS:450 lines resolutionMinimum illumination: 0.1 luxCamera: F:1.8,F+3.1m/mInstallation method: Wall-Hung typeDimension and weight: 106mm X 82mm X 40mm 0.22 kgIncluding in one kit: one indoor monitor, one outdoor station, one adapter, one English user manual and one cable.