Features: Easy to install, just plug and play. Can-Bus decoder, eliminated error code on dash for most of the cars. Fix error code or fast blinking issues related to the low current draw when using LED bulbs replacing the halogen bulbs. Load resistors will ensure the LED bulbs light up full power without malfunction or flickering issues. Specifications: Color: Black Usage: Headlight, fog light Socket Type: H7 Working Voltage: DC 9V-16V Overall Length: Approx. 30CM Fit For: H7 Work with all aftermarket LED kits: H7 Solve error message on dash board and headlight flickering issue, radio interference, LED light turning off when engine starts, etc Important Detail: These decoders could solved radio interference suppressor, EMC interference decoding, filtering decoding. Excluding IC program decoding, which means that vehicles with smart vehicle control system(mostly with a central controlled display screen) are not suitable for decoding. Package Included: 2 x LED Canbus Decoders