Xenon HID Light Conversion Kit Warning Canceller No Error Eliminator Anti Flicker Capacitors 9006 Decoder Relay Harness Resistors for H8 H9 H11 9005 880 881 889 This product is hid xenon Anti-Flicker Warning Cancellers, only work for hid xenon, no work with headlight;if you buy wrong, please contact us first, thanks The voltage is 9-16V, it can work with 24V autos; and this product is normally used with 35W hid xenon kit, some 55w can not be used with it. the size of this anti-flicker is: 19cm x 4.8cm x 2.7cm - 7.5inch x 1.9inch x 1.1inch. Easy installaEasy installation, Just plug and play, no modification is needed. Available in all sizes. Confirm your bulb size at Osram Sylvania or Phillips websites or with the seller of your aftermarket projector headlight housing assemblies.tion, Just plug and play, no modification is needed. Work with single beam HID xenon kits, for example: H1, H3, H4, H7, H8, H9, H10, H11, 9005, 9006, 880, 881, 889. Installation Instruction: The special wire harness needs to be used with caution: Red wire needs connect to positive ( + ), black connect to negative ( - ). There is a capacitor on this wire harness to by-pass the error message signal and the capacitor is polarity sensitive, so the red and black wires need to be in the correct position. OTHERWISE THE CAPACITOR WILL BE BURNED. Please use a voltage meter to make sure the correct polarity before installation.