LED fog lights are used when visibility is seriously reduced due to fog. These provide a wide, bar-shaped beam of light with a sharp cutoff at the top, and are generally aimed and mounted low. Features & Specification Quantity of LEDs: 13 in number. Working voltage range is 11-14V DC, 12V/24V AC. Long life: 30,000 – 50,000hours. Easy to install Power 4-5 watt. Applications Used in vehicles to increase visibility during foggy or cloudy conditions.