7 Inch Color Monitor Video Door System with Cast Iron Camera Highlights Luxury aluminium camera,good design, ... : more than 2 meters, Illumination: 0.1 Lux Handfree indoor monitor,7 inch TFT,clear image Intercommunication,monitoring the outdoor,unlock ... ) Four wires,DIY installation Including in one kit:One indoor monitor, one outdoor camera, power adapter, user manual,cables. Wiring requirements ...