RING Stop/Tail BAY15d 12V 21/5W

RING Stop/Tail BAY15d 12V 21/5W bulb delivers dual-intensity lighting for vehicle brake and tail applications. The BAY15d base fits standard automotive sockets, providing 21W stop light brightness and 5W tail light function in a single bulb. Ideal for cars, vans, and trailers requiring reliable dual-filament performance. 12V rated for compatibility with most vehicle electrical systems. Essential replacement for safety-critical lighting.