Easy Installation: Plug and Play, OEM Specification, direct replacement, just connect to the HID headlight bulbs and aftermarket ballasts, need no modification on the harnesses, highly protect your devices. Wide Application: Length: 10.24 inch, fit to power: 35W/55W, compatible with D2S D2R D2C Xenon HID bulbs, convert aftermarket HID ballasts to work with headlamp xenon bulbs. High Temperature Resistant: Copper wire and glass fiber for flame resistance, highly obstruct interference from outside. Specially designed 3 metal points to release static electricity to ensure short circuit protection. Long Durability: Dust-proof and shockproof metal socket, effectively eliminate the electric leakage, use high pressure silicone rubber wire to ensure the HID headlight bulbs are in good working condition.