This system features an 8 channel DVR with a 500GB hard drive for storage with 6 super-high resolution cameras; 2 indoor dome cameras and 4 bullet cameras built to operate in both indoor and outdoor applications. The 660 TV Lines of resolution provide sharp, clear pictures. The weather resistant bullet cameras come equipped with a mounting bracket, sunshield and 30 infrared LEDs providing powerful illumination of up to 80 ft. in total darkness. The indoor domes also include 30 infrared LEDs providing powerful illumination of up to 80 ft. in total darkness as well. Both camera types come complete with an all-in-one video/power/data/audio 60 ft. RJ12 cable and a 3.6 mm lens. You'll never have to worry about how to get power to your cameras with the REVO DVR plug-and-play security system. Just connect them to the back of the DVR and you are ready. This professional cost effective and expandable system has an easy set-up wizard allowing you to remote view both live and recorded video over the internet, home/business network, or via you mobile phone. Advanced. Intelligent. Video Surveillance. REVO!