#MR11 bulb, 18 LEDs, Bright White. 12 volt. Base: sub-miniature 2-pin, round pins 1mm diameter, 4mm centered. 0.066 amps; 0.8 watts, comparable to 9 watt incandescent. 55 lumens. 60 degree beam angle. This bulb is dimmable. Not polarity sensitive. Arcon LED bulbs are energy efficient and long lasting, with excellent light quality and low heat output, using just a fraction of the wattage used by incandescent bulbs. 1/Pk