Unity (330GM-0002) 6" Diameter 100W Post-Mount/Door-Mount Spotlight with Black Head Tightly controlled 100 watt, 245,000 candlepower beam 360 degree horizontal and 180 degree vertical rotation Works only on driver side or passenger side post of 2004-2014 Ford F-150 and driver side or passenger side door of 2007-2013 Chevrolet Silverado 2004-2014 Ford F-150 Requires 184RH installation kit for driver side or 184 installation kit for passenger side to mount 2007-2013 Chevrolet Silverado Requires 254 installation kit for driver side or 254RH installation kit for passenger side to mount