Welcome To Osram OSRAM LED,More Safety and Comfortable Visual Experience Upgrade Technology, Superior Brightne Enhanced Light Beam Pattern Heat-diipation With Copper Substrate Feature * Chip Type: CSP Chips * Lumens: Over 3000LM/Bulb * VoltageDC 11-16V * Power25W/Bulb * Color Temperature:6000K White * Brightne+50% * Low Beam Width:+90% * High Beam Width:+110% * BasP14.5 * Warranty 5 Years Parcel Content 1 Pair 100% Genuine OSRAM Led With Retailed Box Note 1. This bulb is WITHOUT canbus system, fit for 95% of the vehicles. For vehicles need canbus system it may show errors or flickering after using the LED. It's not quality problem, If this kind of problem occurs, you need buy additional decoders to eliminate errors or flicker. If you're not sure if your car need canbus system, please contact us before order and pls don't leave bad reviews without communication 2. About the adapter: Some H7/H1 lamp holders of some cars are not standard designs, and additional lamp holders are needed . If you are not sure whether you need an adapter, please contact our customer service and attach a photo of the lamp holder structure. We will provide aist