Super Bright 2pcs D1S D2S D3S D4S HID Bulbs Xenon Headlight D1 D2 D3 D4 Headlamp Light 4300K 6000K 8000k 10000K 35W Plug Play Item Specification Bulbs Type:D1S D2S D3S D4S Light Source:Xenon Wattage:35w Voltage:12V Color Temperature: 4300k/6000k/8000k/10000k Special Features:Longer life ,high quality,super brightItem Type:Headlights Car type:All cars Package 2 Piece Xenon Bulbs Features : 100% Brand New, 50% energy saving! More than 5000 hours average lifetime! Less power consumption! High brightness,Color temperature confortable,increase traffic safety! Easy to install without tools! 100% compatible with original Xenon system! Note: 1. Please make sure the specific type of bulb before placing order 2. If the bulbs are flicking and shut off immediately after installation, it is not bulbs' problem. You need to check the ballast and current. Our bulbs need 35W A/C ballast and at least 30A current. Sometimes, you need to purchase relay harness and change fuse to provide enough current for illuminating.