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CCTVCLOSEOUTS Maintained by: Member ID industrial_vision_source ( Feedback score of 875) We offer discount wholesale pricing on NEW and Refurbished security cameras and other CCTV equipment to the general public and distributors in bulk. We carry a wide range of manufacturers including Mace, Samsung, Pelco, Avtech, Toshiba, Vernex, Ultrak, Sony & more! Note: This Shop seller is currently away. Please add this Shop to your Favourites and come again. Learn more. Shop search Enter your search keyword in titles & description Shop pages Why Own A Video Security System How many Channels DVR do I need Choosing the right Camera Lens Lens Terminolog​y BNC or RJ11E Connectors Store Newsletter! Add my Store to your Favorites and receive my email newsletters about new items and special promotions! General Interest About Channels When you see the word channel, think of a single video feed. Single channel DVRs are equipped to record a single video feed, or one video out feed from a monitor. On monitors with quad displays,where the cameras connect directly to the monitor, a DVR will record what is viewed on screen. If your monitor is set to view one image, the DVRs recording will reflect that. If the monitor is set to view all 4 images at once (called quad display), the DVR will still record the entire screen as one big image. Playback is restricted to what was recorded from the monitor. If you want to record 4 camera feeds individually, for more flexible playback options, you would need to connect the cameras directly to a 4 channel DVR (one channel per camera). The video is sent to the monitor for display via a video out connection. This way, when viewing recorded data, you have the flexibility to view a single camera in full screen mode.