LASFIT LED Kit Computer Warning Canceller & Anti Flicker Decoders (1 Pair) - 9004/HB1 LASFIT LED Decoder upgraded from HID warning canceller, can solve the auto both HID and LED kits of flickering, non-function, radio interferes or a dashboard "Error" code etc. LASFIT Decoders have stronger Circuit parts: capacitor, resistor, inductor, MOSFIT, Diode etc. parts. Solve most vehicles headlight problems, such as Mercedes Benz, BMW, Audi, MINI, Cadillac, Chevrolet, Hyundai, Ford, etc. Plz contact us before purchasing, if your own Dodge/Chrysler/Jeep. Easy and Simple installation. Positive and negative marks on the plug. Just "Plug and play", takes less than 20 minutes! Work with most After Market LED Headlight Kits, LASFIT decoder can solve 90% auto headlight issue, so please confirm your bulb size at OSRAM Sylvania or Philips websites or contact with the seller. There are various complex headlight compatibility reasons, but we will keep on researching and upgrading the decoder to solve more auto headlight issue. LASFIT capacitors are sold with one year warranty. Any problems are welcomed to contact us, we promise to assume full responsibly and provide you with full catering service. Add your vehicle's Make/Model/Year will be appreciated.