Wireless Connection relay for extralights XBB - OBD Additional PowerUnitThe XBB PowerUnit is an additional wireless relay designed to expand your existing XBB lighting control system. It works seamlessly with the XBB OBD Dongle, receiving signals wirelessly and allowing you to control extra auxiliary lighting or other electrical components without the need for additional wiring between the vehicles interior and engine bay. With two current outputs, the XBB PowerUnit can manage multiple functions, such as switching both