6 Volt P15D-25-3 LED Headlight. Works either 6V positive ground or 6V negative ground. Up to 950 Lumens for the high beam. Up to 700 Lumen for the low beam. The total length from contact to top of the bulb is 1.944". The approximate diameter is 1.058". Dim-able with a variable voltage source. Long life up to 30,000 hours. This bulb will use up to 90% less power than your current incandescent or halogen bulb. The base is 15mm diameter base has a ring approximately 25mm. On the ring are three tabs spaced 120 degree apart. The leds are optically aligned for the best output possible. Your generator or alternator will be happy to have to work less to light up the new headlamps. Available in white 6000K. Uses about 1 Amp @ 6.3 Volts. CE and Rohs.