EMPI Bullet Aluminum lights feature a High Power 12-Volt 50 Watt Halogen bulb with a mirror finish reflector. The compact (approx. 3 1/2" tall by 2 1/2" diameter) housing is made of precision machined aluminum. Mounts on flat or slightly rounded surfaces. Choose from flat or convex lens in clear, blue, red or yellow. (Off-Road Use Only) 55-5847