NLC PRODUCTS INC NLC Classic LED Light Package Technologically advanced LED offer ultra-bright illumination while conserving battery life for all night hunts 6 volt battery is topped with our rheostat dimmer to offer even more adjustment to produce the perfect beam for the situation LED creates a tight beam that penetrates the darkness farther than incandescent lights Over 20 Hours of Burn Time and 2X Brightness Strobe Flicker Switch