Features: 1. Polarity converter, negative pole to positive pole, positive pole to negative pole, can be used for all kinds of cars. 2. Applicable to solve most of the modified headlights, the light is not bright or can not be dimmed or the dimming switch is warm and so on. 3. The decoder contains a high-efficiency interference absorption circuit, which reduces the interference pulse of the ballast to less than 1/10 of the original, eliminating the interference of the ballast to the driving computer. 4. This decoder is easy to wire and fully waterproof. 5. Even if it is connected to the negative pole, it will not burn out the decoder, and the quality is stable. Specification: Condition: 100% Brand New Item Type: Reversed Polarity Quantity: 2pcs Material: Alloy Weight: 217g / 7.7oz Package List: 2 * Reversed Polarity Note: 1. Please allow slight error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. 1. Polarity converter, negative pole to positive pole, positive pole to negative pole, general-purpose cars. 2. Applicable to solve most of the modified headlights, the light is not bright or can not be dimmed or the dimming switch is warm and so on. 3. The decoder contains a high-efficiency interference absorption circuit, which reduces the interference pulse of the ballast to less than 1/10 of the original, eliminating the interference of the ballast to the driving computer. 4. This decoder is easy to wire and fully waterproof. 5. Even if it is connected to the negative pole, it will not burn out the decoder, and the quality is stable. Specification: Condition: 100% Brand New Item Type: Reversed Polarity Quantity: 2pcs Material: Alloy Weight: 217g / 7.7oz Package List: 2 * Reversed Polarity Note: 1. Please allow slight error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.