Description: The 4 Channel HD security system comes with everything you need to secure a small home or business with a professional grade IP security system. It contains four of our best selling HD security dome cameras. The 4 channel network video recorder is the central part of the video security system, recording and also powering the IP security cameras with PoE technology. Included in the package is a 2TB surveillance rated hard drive that comes pre-installed in the 4 Channel NVR. The last thing in the package is 4 fifty foot 50' cat5e cables.