SEALIGHT 9004/HB1 Bulbs, Super Bright Plug and Play, Eye-Protection White, Fanless Light, Quick Installation, Fog Bulbs, Powersports Accessory Lights, Pack of 2 - 3556LHB029JUS

• Brightness Improvement in Visibility: Sealight 9004/HB1 Bulb offers more illumination and daylight white for enhanced night driving vision Over 5,0000 Hours Lifespan: The 9004 bulbs can last for 20 years even if you drive 6 hours every night. With its high-performance chipset and heat sink design, it has reached a perfect balance of performance and service life 10 Minutes Easy Installation: Plug-and-play, almost 1:1 size as original. 0.5-inch ultra-thin heat sink perfectly fits for 99% vehicle housings and factory sockets Compact Fanless Design: Free from fan failure and radio interference, the lights feature a smart cooling driver, you can enjoy your driving pleasure without annoying noise Sealight 9004 HB1 bulbs can fit 99% vehicles without CANbus adapter: but for some vehicles, computer system may be sensitive and send error message for any aftermarket bulbs. To solve the issue, an additional CANbus Decoder is needed to make the bulb perform well