P15D-3 LED Headlight 10 Watt. Great for ATV, motorcycles and scooters. 10 Watt comparable to a 100 watt incandescent bulb. Up to 100lm/w Lumen per watt efficiency. Up to 600 Lumen. Available in White 6000-6500K. up to 30,000 hours. Comes 1 headlight per package. Made of aluminum for long life. Operates at 12 to 80 volts dc. Fits L6 HID Xenon type bulb headlights. Also known as Miniature Pre-Focus or T19 P15D-25-1. The flange is 25mm diameter and has one claw or tab. The socket is a standard male BA15D base with the bayonets parallel. The BA15D has two contacts one for high beam and one for low beam. The T19 means bulb shape and this is a tubular bulb 19mm wide.