Being seen is important. The XF line of LED bulbs provide top line performance and blow their halogen counterparts out of the water in terms of brightness. These bulbs feature 12 Cree LEDs producing an amazing 60W and 1300 lumens of pure white light. Their durability has been proven to outlast the standard halogen bulb. They are also ideal for headlights with HID systems to match the color of the HIDs. Sold in pairs. Specification: Color: 5000K White LED Type: 12 CREE XF-D LED High Power Power: 60W Actual Lumen: 1300 Lumen Dimension: 59.73mm Length, 18.00mm Diameter Housing Material: Aluminum Alloy Lens: Virtually Unbreakable PMMA Lens Feature: High performance LED, long lifespan, superior illumination & stability High luminous efficiency with high brightness light output Made by high quality aluminum alloy housing can + virtually unbreakable PMMA Lens. Aluminum alloy shell acts as radiant heat sink, ensure the secure temperature range. Environmental-friendly: energy saving, no UV and IR radiation, shock-proof and anti-corrosion. Easy installation, just plug & play Faster on/off response time and vibration resistant If the LED does not light up, simply flip it 180 degrees (reverse the polarity)