12 volts 42 watts complete with mounting bracket. Also known as part number GFU2103. As fitted to a large number of classic cars like: Ford, Morris, Austin, Austin Healey 3000, Austin Healey Sprite, Jaguar, Hillman, Triumph, Allard, Armstrong Siddeley, Bristol, Jensen, MGA, MG Midget, Morris Oxford & Cowley, Rover, Singer, Triumph, Standard, Sprite, Vauxhall, Wolseley etc.