Seller notes

Description:Polarity converter: Negative electrode to positive electrode, positive electrode to negative electrode, can be used in various vehicles.Suitable for: Suitable for solving the problems of most modified H4 LED headlights that do not light up or cannot be dimmed, or the dimming switch is slow.Features: The decoders contains an efficient interference absorption circuit, which reduces the interference pulse of the ballast to less than 1/10 of the original value, eliminating the interferen...

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