If your installation calls for sending a video signal over multiple monitors, use one of our video distribution amplifiers. If your installation demands very long camera cable runs, use one of our video camera amplifiers. The VCA-3 will maintain high quality video for any single camera up to 3000 feet. It has controls for input impedance, balance, linear gain, HF gain and LF gain. The VCA-3 has a built-in surge protector and is perfect for maintaining a good quality picture during long-range transmission to your DVR.