When your system consists of more then one camera you will require control equipment to allow you to view and record all the cameras on one Screen or Recorder. There are 2 types of control equipment available on the market today, Analogue (for live viewing or recording on to video cassette) and Digital (for recording on to Hard Drive).
This unit will display up to 4 cameras together, allowing them to be viewed and recorded together on a single TV/CCTV Monitor/Video as a quad (split screen) image. Model: HTS-82