3.5/4 inches LCD-TFT 4 Wires Colour Video Door Pho

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. Adjustable contrast of the monitor 5. Adjustable volume of the ringing, call signal sound with electronic Chime(DingDong) 6. 3.5/4 Inches LCD-TFT colour module with night vision light7. AutoShutDowntime:45seconds8. Installation method: Wall-Hung typeSpecificationsMonitorType: Hand Free or Hand Set Power Supply: DC13.5V/1.2APower Consumption: Maximum12W, standby0.5WAmbient Temperature: -10°C To 40°CAmbient Humidity: 45%-95%SNR: > 45 dBDisplay: 3.5/4 inches LCD-TFT colour module 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 monitor Per Camera Installation: Surface-mount/ Inlay-inDimension and weight(Hand Free): 220mmX 178mm X52mm1.1kgDimension and weight(Hand Set): 220mmX 185mm X63mm1.15kgOutdoor UnitSilver metal outdoor with rain cover & prevent splashingPower Supply: DC 10V-12VPower Consumption: Maximum 2.5W, stand by 0.1WAmbient Temperature: -15°C to 50°CAmbient Humidity: 45%-95%SNR: > 45 dBCMOS: 380 lines resolutionMinimum illumination: 0.2 luxCamera: F:1.8,F+3.1m/mInstallation method: Wall-Hung typeDimension and weight: 125mm X 95mm X 44mm 0.57 kgIncluding in one kit: one indoor monitor, one outdoor station, one adapter, one English user manual and one cable.