Fight back against crime by deterring intruders, protecting your property and knowing what's happening at all times with this Swann 8-channel DVR security system with 3 bullet cameras and a pan, tilt and zoom (PTZ) camera. Whether for your home or office, you can view and simultaneously record high-quality video for full 8-channel monitoring. The all-weather, high-resolution 600 TV Lines (TVL) SwannTruColor bullet cameras boast powerful night vision up to 65' to let you see as clearly in complete darkness as you would in the day. With a 12x optical zoom, the all-weather 700TVL Sony 1/3" CCD PTZ camera features a controllable, 360-degree rotation for covering large areas at once. The DVR with a pre-installed 500GB SATA2 hard drive offers "My DVR" customizable network configuration software and DDNS service for easy remote viewing. You'll enjoy setting and forgetting the DVR with advanced H.264 compression capable of recoding continuous video from the 4 high-resolution cameras. You'll maximize your recording time while minimizing the file size.