The H4 55/60 Watt Hi/Low Dot Approved Superwhite Bulb Set is a premium halogen technology product that offers a narrow beam pattern for great distance. With its superwhite beam, it creates a natural light color that is more reflective off marks and road signs, providing better depth perception and less eye fatigue. This bulb set is a practical and efficient automotive headlight retrofit solution, measuring 1.00 inch x 1.00 inch x 2.00 inch. It is a dual 12V DC amp draw factory replacement for select vehicles, ensuring optimal performance and safety on the road.