Led Bulb BAY15D 12V LED Bulb. BAY15D base. Up to 900 Lumen output. Up to 700 Lumen for low beam. Long life up to 30,000 hours. CE and Rohs listed. The bulb is non polarity so you can use it either positive or negative ground vehicles, trucks and motorcycles. The led's are aligned so that the light output to the reflector is the most efficient. This bulb fits the outline of a standard light bulb so you should not have installation issues. Comparable to a 27 to 35 to 55 Watt halogen bulb. This bulb works great for sockets that are wired backwards. Available in warm white 3000k, white 6000k, red, green, yellow and blue. This is a 1157 or BAY15D which means that the bayonets are offset. The base diameter is 15mm. These lights led are super bright. Uses up to 1 Amp @ 6.3 Volts for high beam and up to .850 Amps for low beam. The maximum overall length M.O.L is 1.944". The maximum diameter is 1.05". Available in White 6000 K, Warm White 3000 K, Red 625 nm & Yellow 594 nm. Up to 300 Lumen for forward firing for the low beam. Up to 600 Lumen for side firing for the high beam. Up to 200 Lumen for side firing low beam. Up to 400 Lumen for side firing for the high beam. The CP candle power for high beam is up to 70 CP very bright. CE and Rohs. The bulb is dimmable with a dashboard dimmer switch. The Smd's "surface mount devices" are optically aligned with your reflector so you get maximum light output.