Innovited 55W HID Xenon Bi-xenon Hi/Lo Dual Beam Replacement Bulbs With Relay Harness Controller - 9004 - 8000K Innovited HID Bulb comes with warranty Produces about 5 times as much light as a halogen bulb Operating Temperature -40 to 105 Service Life 5,500 Hours or 229 Days Included: 2X Innovited Bi xenon HID Replacement Bulbs , 1X Relay Harness