At 37.5 watts, the Eiko 899CVSU-BP Clear Vision Supreme is a premiere headlight. This T-3 1/4 halogen bulb is up to 80-percent brighter than a standard headlight and is shielded to prevent blinding of oncoming traffic. The axial prefocus PG13 base makes it easy to replace similar bulbs on any vehicle with a PG13 headlight plug. This lamp is also whiter than standard headlights with a cool white color temperature of 4100K. With an average lifespan of 1900 hours, this bulb will last for many miles and is suitable for all kinds of weather.