... monitor.luxury cast iron camera,CMOS camera,handfree,audio and video communication.unlock, intercom, call other monitors, Function and ... sensor.6 LED lights,nightvision. handfree indoor monitor, 7 inch TFT,clear image. intercommunication,monitoring the outdoor,unlock.. ... for option. two cameras can connected with four monitors.(different choice) four wires,DIY installation Including in one kit: ...