SWANN SW343-DPM 4-Channel Digital Video Recorder with 320 GB Hard Drive and 4 Cameras Easy-to-use, plug-&-play digital video recorder with 4 outdoor cameras and cables Cameras have IR night vision up to 30 ft & are 400 TVL with 6mm lenses Pre-installed SATA 320 GB Hard Drive for extended recording Advanced MJPEG compression Triplex operation