Lamp measures 6"×3-1/2" and is rectangle shape featuring a ultra high intensity H-3, 100 Watt quartz halogen bulb. The body and reflector are steel and the lens is tempered glass. The housing and fastening ring is powdercoated black. Each lamp comes with a standard mounting bracket.
Waterproof - suitable for mounting in the grille of a vehicle on the back deck and for use as alley lamps mounted to a lightbar. 
Steady burn - requires a flasher to flash if user desires.