http://www.supercircuits.com/Security-Camera-Systems/4-Camera-Systems/ - The 4 camera security system is designed to enhance the security of both residential and commercial establishments. As the name suggests, the 4 camera system makes use of multiple cameras to make sure all critical areas are monitored. Many innovations have come out in the market including the LCD security Monitor. Check more features of 4 camera security system to determine whether it is right for your home.