7''TFT monitor video door phone ABS/CMOS camera handfree,audio and video communication unlock, intercom, monitor out 7 Inch Newest ITEM ... CCD sensor.6 LED lights,nightvision. handfree indoor monitor, 7 inch TFT,clear image. intercommunication,monitoring the outdoor,unlock.. ... can connected with four monitors.(different choice) four wires,DIY installation Including in one kit:One indoor monitor, one ...