XENTEC H4 Flex Bixenon Hi/Lo 10000K Advanced Slim Alloy Ballast HID Xenon Kit (HB2/9003 Deep Blue) HID Xenon Bulb: Ultra Bright 3600 lumen Xenon bulb: Produces up to 5x brighter light then halogen, uses 35% less power, increases visibility, and made to last up to 5000-hour lifetime Ballast: 35w Alloy Slim Ballast: Super bright 3100 lumen performance, reduced flickering with non-cycling technology, Six-Sigma quality manufacture Installation: Easy to Use Plug-and Play with QuickSnap connectors. Can be installed on any compatible vehicle. Not all applicable vehicles are included in compatibility list, check Sylvania's website to ensure correct bulb size 100% Water, shock, and rumble resistance, Six-Sigma Quality Assurance Testing Each Kit Includes: 2 HID h4(9003/hb2) Flex Bi-Xenon Bulbs (On Hi-Lo, High Beam is still halogen, for both Hi and Lo beam, see Bi-Xenon)2 xentec 35w Alloy Slim Ballasts