P15D-25-1 LED Headlight 5 to 30 Volts Non Polarity has one claw or bump on the disc. Works either positive ground or negative ground. Since operates wide voltage range of 5 to 30 Volts the led bulb is full brightness within that voltage range. Comparable 35 to 45 Watt halogen bulb. Up to 30,000 hour life. Dual beam, low beam up to 1200 Lumen output. High beam up to 1800 Lumen output. Made with aviation aircraft aluminum to keep the led's cool for longer life. Available in White 5000-6000K and Warm White 2500-3500K. Dimensions are overall length is 2.52 inches. The width is 0.98 inches. Made with led's on both sides. One row of led's on each side illuminate for low beam. Both rows of led's on each side illuminate for high beam. Uses 800mA for low beam and 1.4A for high beam. Since this bulb is led it uses 90% less power than your halogen or incandescent bulb which is easier on your generator or alternator. This led headlight uses up to 5 Watts in high beam and uses up to 3.3 Watts in low beam. Load equalizers may be required, if the bulb will not switch from low beam to high beam or if the bulb flickers when installed. Low beam will illuminate one row of the led's on both sides. High beam will illuminate both rows of led's on both sides. Please install led light load equalizers to fix the problem product code 65832. This is a P15D-25-1 with one tab or claw around the round decking. The base has two contacts one for low beam and the other for high beam. The diameter of the base BA15D is 15mm. The decking or the round plate diameter is 25mm. CE and Rohs. Compatible with: 1966 cm91 Honda 34901087640