The 600 TV lines of resolution provide sharp, clear pictures. 4 Indoor/Outdoor Weather-resistant day/night cameras come equipped with a mounting bracket, sunshield and 12 infrared LEDs providing powerful illumination of up to 33" in total darkness. There are also 2 Indoor Dome Cameras with 12 infrared LEDs for 33 feet of night vision. All cameras are easy to install and come complete with an all-in-one video/power/data/audio cable with REVOs exclusive quick connect cables. Never worry about power cables again!In Fact REVOs advanced PENTAPLEX technology maximizes the DVR by allowing you to View Live Video/Record/Search and Playback/Back up/Access DVR Remotely, ALL AT THE SAME TIME! The 1TB Hard Disk Drive allows maximum video storage capacity. The DVR supports easy back up via USB port (easily extruding video clips to a thumb drive) or external hard disk drive and can be networked in both static and dynamic IP modes. User can remotely view live images or search the recorded data via the internet or a mobile phone. This system can be controlled by mouse or remote controller. The self guided 1-2-3 set up is user a friendly system and will have you up and running in minutes. The professional quality and features of this complete system in a box even has advanced recording features such as event, motion and alarm detection functions, which can be set with e-mail notification to alert and inform you effectively and efficiently. The system even has room to grow by having the capability to add eight additional cameras, including professional pan-tilt-zoom cameras.Included 18.5" LED MonitorAdvanced. Intelligent. Video Surveillance. REVO!