Door Phone System CAM-PT-DP03

2.4Ghz Transmit Frequency -.More than 50 Meters Transmit Distance -.Easy installation using included connection cable and accessories -.Weatherproof Camera with Infrared LED's (You Can See In Almost Total Darkness) -.4" High Resolution B/W Flat monitor (CRT) -.Full Duplex Wireless Intercom System -.380 Lines of Horizontal Resolution -.Door Chime -.Door Lock Release Button