Specifications: • Bulb Socket: H7 • Color Temperature: 4200K • Voltage(V): DC 12V • Working temperature: -40℃~+80℃ • Beam Angle: 360° • Waterproof Level: IP65 • Material: Aviation Aluminium • Super Long Service Life: ≥800 Hours • Warranty:1 Year • Canbus Error Free: No. For most vehicles, just directly plug and play. Yet for some vehicles with CAN-BUS system, it may require install decoder or load resistor to avoid hyper flash or fast blinking. • Please Note: Please check your car manual or original bulb to confirm the bulb size, length is correct or not before purchasing to save your time. Package Included: 4Pcs Halogen Bulbs Note: Energy saving, environmental protection, Stable performance, through strict test, Use safer driving in the car For most cars, just Plug-n-Play,no ballast required. Yet for some European vehicles or new vehicles, load resistors maybe required to avoid the error code or blinking. When installing this bulb, please make sure to turn the car off, and key out. bulbs are very easy to install. You just have to plug it in the socket. ( bulb has + AND -terminal. If it doesn't light up after inserting into the socket, all you need to do is insert it oppositely.) The compatible vehicle list shows only partial cars due to the ebay limits, if your car plug is same with this bulb, the item will fit your car. If you're not sure about it, please send us an ebay message and tell us your car year, make, model and the position you need to replace, we will help you check with it. If you have a decoding problem or any other problems, please contact us first, we will help you with it. I'm a new seller, thanks a lot for your trust and convince! I will serve you with all my heart. On Sep 24, 2024 at 05:12:53 PDT, seller added the following information: