LED Headlight BA15D base. Two filaments high and low beam. BA15D base has two parallel bayonets with two even contacts. The led headlamp life up to 30,000 hours. The led's are aligned for best led lighting using the reflector. The bulb is dim-able using a variable voltage supply. The led bulb can be used as a headlight or as a taillight brake light. CE and Rohs listed. The bulb outline is smaller than the original bulb so you should not have any fit issues. Comparable to a 27 to 35 Watt incandescent light bulb. Available in white 6000K and warm white 3000K. Please see bottom of the page for warranty details. This bulb has no polarity so it can work in both positive ground and negative ground chassis vehicles, motorcycles and tractors. Up to 600 Lumen output. Two brightness levels, dual filament. Up to 50 CP. This LED uses up to .130 Amps @ 13.8 Volts for low beam and .500 Amps @ 13.8 Volts high beam. The maximum overall length MOL is 1.944 inches. The maximum diameter MOD is 0.741 inches. CE and Rohs.