* Four Individual Output Trimmer Gain Controls
* Shielded Metal Housing For Noise Rejection
* 4 Video Output Gain control
* Video Signal Booster
* VB-1 is a life saver if you use multiple LCD monitors in the vehicle, all receiving signal from one source.
One source input turns into 4 outputs, all w/independent level adjustment.
Each outputs level adjustment can achieve up to 1.5V of video signal.