Ultraline MR16 12V series features a titanium oxide coated reflector and consistent color. Integrated UV protection. Precisely focused light cone. Cool beam effect. Universal burn position. Features front glass cover. Available with 3000K color temperature. Average life is 10,000 hours. Lasts up to two times longer than other MR16 lamps. 12 volt MR16 GU5.3 base halogen lamp available in a 20 watt with 36 degree beam angle. 2 inch diameter x 1.78 inch length.