Furman GN-LED Gooseneck Lamp, LED Bulb, Locking BNC Connector Mates to Rear of Furman Power Conditioners Four segment LED light for long lasting enhanced illumination Cool, efficient illumination Locking collet male BNC connector; 12 inches in length Powered by 12 VAC From the #1 brand in professional power conditioning. Perfect for instrument rigs, home recording, DJ equipment,pro audio rigs and home entertainment systems