CCTV (Closed Circuit Television) Cameras, lenses, DVRs and Accessories are devices that capturea a video image of an area of interest. The image is typically viewed live on a monitor, thus the closed circuit. The image can also be recorded for future review via a digital recorder ( DVR). CCTV cameras come with a wide range of options and configurations that impact what the viewable picture will look like as well as the price. The Best Practice in selecting a CCTV Camera is to determine what the requirements are for your specific application and then choose according to camera capability and budget. If your having trouble selecting the right CCTV camera for you, then please call us at (800) 572-3390 or visit the CCTVhelp.com forum for support.