Piaa 11455 55-Watt H1 Xtreme White Plus Bulb Replacement fog light bulb 12V-H1 55=100 watt (produces 100 watts of light using 55 watts of power) Designed for the PIAA 90 Pro XT Dual System Fog Light to enhance your vehicle's lighting range and abilities Made of high-quality heat-resistant tube PIAA has nearly 50 years of experience designing and manufacturing high quality bulbs and lights