TGP H4 6000k Diamond White AC HID Xenon Kit (Low Beam Only) with Halogen High 2007-2012 Harley Davidson Sportster All TGP HID Products come with a 2 year warranty Contents: 1 HID Bulb and 1 Premium AC Mini Compact 35 Watt HID Ballast with all Mounting Hardware Plug and Play Installation 100% Waterproof, Dustproof, and Shockproof Installation: Please go to YouTube.com - Search Terms - Motorcycle HID Install or Make and Model (Ex. BMW R1100S)