7 Inch Color Monitor Video Door System with Cast Iron Camera Highlights Luxury aluminium camera,good design,CMOS or CCD sensor 6 LED ... 2 meters, Illumination: 0.1 Lux Handfree indoor monitor,7 inch TFT,clear image Intercommunication,monitoring the outdoor, ... connected with four monitors.(different choice) Four wires,DIY installation Including in one kit:One indoor monitor, one outdoor camera, power ...