1154 Bulb LED BAY15D Base 8 Volt 2.6 Watt. Works either negative ground or positive ground. Long life up to 30,000 hours. Uses only 2.6 Watts. Comparable to a 25 Watt halogen bulb. Has dual filament low beam and high beam. The bayonets are offset. The base has 2 contacts. The base diameter is 15mm. The MOL is 1.47". The MOD is .78". Available in White 6000, Warm White 3000K, Red, Green, Blue and Yellow. CE and Rohs. Up to 320 Lumen for brake light and 240 Lumen for tail light. This bulb is dim-able using a variable voltage supply. Use load equalizer per each led bulb that used in a turn signal circuit. Please use our solid state flasher with load equalizers. Works from 6 Volts up to 10 Volts.