Product Specifications

The H21W halogen lamp with a rated voltage of 12V, power of 21W and base model of BAY9s is a low-voltage functional lighting source focusing on high brightness. H21W is the industry-standard specification code. The 12V rated voltage is compatible with the electrical systems of vehicles such as cars and motorcycles. With a high power of 21W, it delivers sufficient luminous intensity, which can clearly transmit visual signals at night or in severe weather conditions.

It is equipped with a BAY9s plug-in base, which features stable contact, fits special lamp holders perfectly, and allows for easy installation and disassembly without professional tools. The lamp is fixed firmly and will not have poor contact due to vehicle jolts.

This lamp is widely used in key signal parts of vehicles, such as brake lights, rear fog lights and turn signals. With the advantages of high brightness and strong penetration, it can effectively improve the safety of vehicle driving. Meanwhile, it has the characteristics of controllable cost and high versatility, making it a cost-effective choice for vehicle signal lighting.