REVOs Complete Professional 16-channel DVR Security Surveillance features 8 High Resolution cameras built to operate in both indoor and outdoor applications. The 600 TV lines of resolution provide sharp, clear pictures. 6 Indoor/Outdoor Weather-resistant day/night cameras come equipped with a mounting bracket, sunshield and 30 infrared LEDs providing powerful illumination of up to 80FT in total darkness. 2 Indoor Dome cameras are also equipped to see up to 80FT in total darkness. All cameras have pass thru mounting for no visible cables and are easy to install with 60FT each of an all-in-one video/power/data/audio cable with REVOs exclusive quick connect cables. 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 REVO EZLink to automatically network your DVR on most routers for remote viewing/operation. 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 4TB Hard Disk Drive (system may be purchased with 2TB and 3TB HDD as well) allows for months video storage capacity, depending on your settings.Viewing your cameras is even sharper with the state-of-the-art Widescreen 23 inch LED monitor that provides the clearest and most vivid images available. (system may be purchased with an 18.5 inch and 21.5 inch monitor as well)The system can be configured to send PUSH notifications to most smartphones when any or all of the cameras detect motion. It can also be configured to send emails with a picture of the cameras view. The DVR supports easy back up via USB port (easily extruding video clips to a thumb drive). Peace of Mind has never been easier than with status updates, an email to let you know exactly how your system is operating. The REVO Mobile app will allow you to view your system live, monitor audio, search recoded video, even control PTZ cameras from most smart phones! REVO Remote will allow you to view from any internet connected PC in the world and REVO Remote PRO (a free software) will allow you to view multiple DVRs at the same time! Mac user? REVO has an app for you too!This professional 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. The system even has room to grow by having the capability to add eight additional cameras, including professional pan-tilt-zoom cameras.Advanced. Intelligent. Video Surveillance. REVO! • Video inputs: 12 RJ12 Channels & 4 BNC Channels • Video outputs: 1 RCA and 1 VGA • Resolution: 600 TV lines • LED lighting distance: max 80ft