Anyray 1-Bulb Dimmable 5W GU5.3 MR16 LED Bulb, Equal to 20W Halogen Bulb, 12 VAC/DC, Warm White Color 1-Bulb Dimmable Energy Saving. 400lm With ONLY 5W LED bulb . Replace 20W halogen bulb . You can Save energy . Anyray MR16 shape with GU5.3 base. The same size as original MR16 halogen bulbs. Voltage:12 VAC/DC , Power: 5Watts / Base : GU5.3 , G5.3, GY5.3, GX5.3 Bi-Pin Base (2-Pin ) (5.3mm Millimeters between Pins) Light Color is Warm White / 3000K output 400 lumens High Brightness and Energy efficient light bulb / Anyray