The Dorcy 6D - 7.2 volt 0.55 amp Krypton Bayonet Base Replacement Bulbs fit all standard 6D lighting products. Made to last, Dorcy krypton bulbs are brighter and tougher than the competition. Dorcy krypton bulbs produce up to 200 percent more light output than a regular bulb. These replacement bulbs have a bayonet base design making them easy to slip in to change any light. The Dorcy 6D - 7.2 volt 0.55 amp Krypton bayonet base replacement bulbs produce 7.2 volt at 0.55 amp.