The BOSCH BULB P21W is a high-quality automotive bulb designed to provide reliable illumination for various automotive applications. Operating at 12V and 21W, it features a BA 15s base type, ensuring easy installation. This bulb is commonly used as a turn signal indicator, reverse light, or brake light in many vehicle models. With BOSCH's reputation for excellence, you can trust that this bulb offers optimal performance, long-lasting durability, and consistent brightness, making it a dependable choice for your automotive lighting needs