TheFurman GN-I Incandescent Gooseneck Lightis a 12″ long gooseneck type light that comes with a BNC connector, to be used with the rear BNC connectors of the Series II Power Conditioner units. It can also be used with a variety of other products that also feature a BNC connector, in various applications. The light is powered by 12V, and its lamp is easily replaceable.