82 LED Bulb, single filament. Works either positive ground or negative ground. Bulb has 9 T5 LED's. Up to 200 Lumen output. The bulb has a rated output of 7 candle power CP. BA15D base. The diameter is 15mm and has two bayonets that are even. Single filament with two contacts. Single filament. The available color options are white 6000k, Red 625 nm, Yellow 594 nm. CE and Rohs. Some Warm White 3000K while inventory last. The overall length is 1.25 inches and the diameter is .59 inches. Comparable to a 10 Watt to 25 Watt incandescent bulb. Uses up to 1 Watt @ 6 Volts. Uses approximately 166mA @ 6 Volts. Dimmable with a variable voltage supply such as your dashboard dimmer switch.