Closed Circuit TV Security Systems or CCTV enhances any Home Security and Commercial Security Systems with the added benefit of visual engagement. CCTV systems typically come in 4, 8 and 16 channel options and can be customized to your security needs. CCTV accommodates both internal and external video surveillance needs, including cameras and setting specific to Low Light and No-Light. Addition of DVR into the industry makes monitoring and reviewing your video surveillance much easier. All new DVR’s available in the market are network compatible allowing for easy integration into your CCTV security system. Depending on hard drive size (ex. 500GB or 1TB), you can adjust your DVR’s history capabilities.