Putco's Cree XM-L2 LED Headlight Bulb Kits are designed to directly replace factory bulbs, plug into factory housings and use factory wiring. These bulbs are constructed from a solid aluminum, IP65 shock proof design with a built in micro-fan for cooling. They have a waterproof driver and a constant current CPU for stable operation. These kits feature powerful CREE XM-L2 LEDs with lumen outputs of 200 lm per watt. Sold in pairs.