Features: 1. Polarity converter, negative pole to positive pole, positive pole to negative pole, compatible with various vehicle types. 2. Designed to address common issues with modified headlights such as insufficient brightness, inability to dim, or overheating dimming switches. 3. Built-in high-efficiency interference absorption circuit reduces ballast interference pulses to less than 1/10 of the original level, minimizing electromagnetic interference with vehicle electronics. 4. Easy to install with straightforward wiring and fully waterproof design for reliable performance. 5. Resistant to damage from incorrect polarity connection; stable and durable operation. Specification: Condition: Item Type: Reversed Polarity Converter Quantity: 2 pcs Material: Alloy Weight: 217g / 7.7oz Package List: 2 x Reversed Polarity Converter Note: 1. Please allow slight measurement deviation due to manual measurement. 2. Monitor settings may vary, so colors in images may differ slightly from the actual product. Refer to the physical item for accurate color.