Xenon HID Super Hyper Blue White Headlight H4 Bulb for Harley Davidson FXDL Dyna Low Rider 1993-2009 Great replacements for standard halogen headlight bulbs. Replacement headlight bulb that puts off a brighter and whiter light than standard bulbs while pulling the same wattage. Brighter and whiter light gives the rider better depth perception and contrast compared to standard Halogen bulbs making night riding safer and more enjoyable. 100% plug and play. Nothing else required to use these bulbs. Price is for two bulbs. 60/55W power usage, 12 volt drawing input, 5000K color temperature