Rebaydo 2pcs BA15S LED Miniature Bulb 8 Volt 15 SMD 3030 is a single filament LED bulb designed for 8-volt systems and operates with non-polarity compatibility for both positive and negative ground vehicles. It features 15 high-power 3030 SMD LEDs producing up to 400 lumens and up to 31 candlepower with a 120-degree viewing angle while consuming up to 1 watt and approximately 127mA at 8.6 volts. The super low-profile design fits small cowl lights, indicator lights, and taillights, provides light output comparable to a 25–30 watt halogen bulb, and is dimmable using a variable voltage supply such as a dashboard dimmer. Available in White 6000K, Warm White 3000K, Red 625 nm, and Yellow/Amber 594 nm, it offers an expected service life of up to 30,000 hours. Compatible with early vintage cars, trucks, motorcycles, and the C6 filament shape, it features a BA15S single contact bayonet base with parallel bayonets and one bottom contact. Maximum overall length is 0.888 inches, maximum bulb diameter is 0.748 inches, and the base diameter is 15 mm.