ITEM NAME:2 Pieces H1 H3 A0 LED Headlight Decoder Flash Error Warning Canceler Description: - High quality and long service life. - Easy plug and play, no modification needed. - Solve error message on dash board and headlight flickering issue. - Work with all aftermarket LED kits: H1, H3. - 2 pieces error canceler decoder kit for LED headlight, fog light. Specification: - Type: electronic - Size: approx.30x3x3cm - Voltage: 9V-16V Package Included: 2 Pieces Error Canceler Decoder Kit Note: It will not work on Switchback LED bulbs! Please check the model before ordering. If there any question, please.2 pieces error canceler decoder kit for LED headlight, fog light. 2 Pieces Error Canceler Decoder Kit. - Easy plug and play, no modification needed. It will not work on Switchback LED bulbs! People always bought together with.