Standard GU5.3 bi-pin base. 12 x FTL MR16 LED Bulb (5W / 3000K / 12V / GU5.3). 5W LED replaces 20W–50W halogen MR16 bulbs. FTL MR16 LED Bulb – 5W / 3000K / 12V. Works with most 12V MR16 fixtures. This MR16 LED bulb worksONLY with AC or DC 12V systems.
