High-Performance Build in Canbus Decoder, the bulbs can be used without error message or flickering for most cars. Safety Protection protect the bulbs and your cars against the instantaneous high current. Safer installation and use. Easier Installation Almost same size with halogen bulb, fit for most vehicles.No need any modification, just for plug & play installation. What you get Providing excellent quality products and kind support is our goal. If you have any need, our friendly team will be more than happy to help.