No more swapping SCART leads between your TVVCR DVD etc Fully automatic RGBS-Video Composite via all ports Built-in signal amplifiers to prevent signal loss This SCART switch does away with the problems that occur when you have multiple video devices by allowing you to connect several of them to your TV at once even if it only has one connector. This switch has the intelligence to decide which device has been selected on a priority level basis & automatically switch it through to the TV while blanking all the others. So if you switch on your digital TV receiver the pictures will of course appear on your TV. If you then play a DVD for instance this alone will be switched through to the TV. You wont have to switch the receiver off first. The SCART switch is fitted with video signal amplifiers to ensure crystal clear pictures with minimal loss.