Metal Pin-hole camera video door phone

Function and Features：
metal Pin-hole camera,good design,CMOS or CCD sensor.6 LED lights,nightvision.
Handfree indoor monitor， 7 inch TFT,clear image.
Intercommunication，monitoring the outdoor,unlock..
Intercommunication is available between indoor and outdoor unit..
Brightness, chroma and ring adjustable.
3-chord melody rings for option.
Two cameras can connected with four monitors.(different choice)
Four wires,DIY installation
Including in one kit:One indoor monitor, one outdoor camera, power adapter, user manual,cables.

Packing detail: Color box,5 sets in one carton.
Surface mounting for monitor,Flush mounting for camera 
Monitor dimension:230（L）×180（W）×18（H）mm
Camera dimension:69（L）×157（W）×23（H）mm
Wiring requirements:value="30" unitname="m">30M: RVV4 X value=".5" unitname="mm">0.5 mm,value="50" unitname="m">50M: RVV4 X value=".75" unitname="mm">0.75 mm,value="100" unitname="m">100M: RVV4 X value="1" unitname="mm">1.0 mm

Data of Technology：·
Night vision illumination distance; more than 2 meters  
Gain control: Automatic  
Working temperature: value="10" unitname="C">-10 C- value="50" unitname="C">50 C
Illumination: 0.1 Lux  
Camera angle: value="92" unitname="C">92 C degrees wide-angle  
Voltage: AC100-240V  50Hz-60Hz  
Talk time delay: 90S   
Monitor time delay: 30S   
Dissipation: stand-by <0.5W     working <10W  

Relative humidity: 10 % - 90%(RH)