SOCAL-LED 2x H10 9145 LED Fog Light Bulb 15W SMD 5730 12V High Power Bright DRL Bulbs, White LED Fog Light bulbs powered by 15 High Power Efficient 5730 SMD chip, super bright in small size. Ideal for Daytime Running Light (DRL) with Colorful option. Super Bright Design Car LED bulb 360 Degree full Angle Illumination, 3X Optical Projector in front of the LED emitter to achieve the Maximum Lighting Output. Alluminum Alloy Housing helps keeping it at a low working temperature, avoid damaging plastic parts around. Directly plug and play for most vehicles,easy installation. Yet for some European vehicles built in CAN-BUS system, it may require the load resistor or decoder to avoid the error code or blinking issues. Cross Reference Number: H10, 9040, 9050, 9055, 9140, 9145; used for replacing the stock fog light lamps or Daytime Running Light only.