Welcome To OSRAM Store OSRAM LED,More Safety and Comfortable Visual Experience High quality led Intergrated chips Heat-diipation with Fan Design,shock resistance,good stability Feature * Chip Type: CSP Chips * Lumen Flux: >2600LM/Bulb * Power: 18W/Bulb * Color Temperature: 6000K * Material: Aviation 6063 aluminum profile * Beam Angle: 360 degree * Application: fog lamp, auto headlight, signal bulb * Warranty :4 Years * IP Rate : IP68 * Voltage: DC 12V * Operating Temperature -40-+80 * Plug Type: Single Beam: H4 H7 H11 H8 H16 9005 9006 9012 Dual Beam: H4 Package 1 Pair 100% genuine osram led Note 1. This item is with a ballast, which have a temperature adjustment function. As the temperature of the bulb rises, the power will drop to a certain level. it's normal and it will help the bulb to prolong its service life. The actual power provided can be 80%~90% of the theory data 2. 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. 3. 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