P15D-30 LED Headlight 6 Volt. This led has 30 5730 smd leds. The Lumen output is up to 800. This bulb has been designed to be exactly like a filament bulb but using leds. The leds are is the same position as the original filament. The life is up to 30,000 hours. Please see warranty details on the same page. This bulb is available in white 6000K and warm white 3000K. The light is dim-able which works good for older vintage and classic automobiles, motorcycles and tractors. The base has 15mm base. There are two contacts on the bottom one is used for high beam and the other is used for low beam. There are 3 claws the are spaced 120 degrees for maximum support. Sometimes called DC prefocus, double contact prefocus or double contact candelabra prefocus. Please be careful when inserting or removing the bulb that the locking flange does not bind or break. The M.O.L. is 1.962" and the diameter is 0.741".