Product Features: 1, Easy Installation: RACBOX B6 LED Headlight is quick replace the original xenon HID bulb, plug and play with orginal HID ballast. Does not need to make any changes to the wire cable. 2, Super Brightness: B6 series LED Headlight Bulb use industry-leading 6075 big chip LED, 800% brighter than original xenon bulb, 6000K white, improve visibility of night driving, it starts instantly in 1 seconds, make driving safer. 3, Upgrade Cooling System: B6 LED built in a copper heat pipes with a very high effective thermal conductivity. Also have a high-speed cooling fan, ensuring ultra-low temperature. 4, Built-in Can-Bus Module: Be Compatible with 99% vehicles, No any dashboard error, light flickering, erro message. Product Specification: Power: 300W/Pair (compatible with 35W-55W HID ballast) Color Temperature: 6000K White Luminous Flux: 60,000LM/Pair Materials: Aviation Aluminum Waterproof Grade: IP68 Lifespan: 50,000 hours Working Temperature-40-105 Socket: D1S D1R D3S D3R D8S The difference between D1 and D3/D8 is that the plug of D1 is black, while the plug of D3/D8 is green Package includes: 2PCS LED Bulb