Description:1. Quality quartz glass lampshadeand nique coating technology, good resistance to high temperature & heat shock, enhance color temperature.2. High performance filament, Good light profile, accurate filament positioning, high luminous intensity.3. Rustproof metal base, no deformation & long service life.4. Quality socket, clear Watt mark. Specification: Brand BLICKName P21/4W Car Brake Light Bulb Watt 21/4 W Socket Type BAZ15D Working Voltage 12 V Color temperature 4000-6000 Filament Tungsten wire Material Copper + Quartz glass+ Tungsten wire Lampshade form Quartz glass Package Included:1x BLICK P21/4W S25 12V 21/4W BAZ15D Car Brake Light Halogen Quartz Glass Backup Light Bulb