The EUROLITE LVH-6 is an automatic 2:1 video switch designed to route video from two sources to one output. It uses an RF relay to switch automatically to the alternate source when the primary signal is lost. The device supports NTSC and PAL signals, provides a slave output for controlling other units, and uses block terminals for 12–24 V DC power. The power supply is not included. Video connections are provided via BNC connectors.