SWDVK426004 Black DVR Security System 4CCD Cameras Record & view 4 channels of high quality video simultaneously in real time Includes 4 all-weather, high resolution 480TVL cameras with powerful night vision to 65ft / 20m Set & forget by recording continuously from 4 cameras for 30 days+ onto a massive 500GB hard drive, longer with motion detection Save time & have peace of mind by easily locating incident video, then trim & transfer to USB flash drive Remote viewing is easier than ever to set up with UPnP (Universal Plug n Play) auto network configuration