TOOGOO(R) 2Pcs Warning Error Decoder Canceller Capacitor ANTI-FLICKER For Xenon HID Light If you've installed HID lighting kit in your car but are getting a flickering or strobe effect and error or warning codes, then these code canceling capacitors are your solution. Work with all aftermarket HID xenon kits: H1, H3, H4, H7, H8, H9, H10, H11, H13, 9004, 9005, 9006, 9007, 880, 881, 889 Solve the error message on the dash board Eliminate HID headlight flickering Solve the computer error warning encountered during the installation of the HID kits