With a full-featured professional security DVR, you can watch what's happening in your house right now, or search and playback video from two hours ago, or two weeks ago, and do it all remotely from any PC. The 4-channel DVR has the capability to view remotely and playback for 4 cameras at the same time, and it's compatible with any CCTV cameras on the market, from a simple dome camera to sophisticatied pan-tilt-zoom day/night camera. We have a wide range of small professional DVRs for various uses, all of them capable of remote viewing from anywhere.