Features: 1. Polarity converter, converts negative pole to positive pole and positive pole to negative pole, compatible with various vehicle types. 2. Designed to address common issues with modified headlights such as insufficient brightness, failure 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 level, minimizing disruption to the vehicle's electronic systems. 4. Easy to install with straightforward wiring connections; fully waterproof design for durability. 5. Resistant to damage even if connected to the negative pole; ensures stable and reliable performance. Specification: Condition: Item Type: Reversed Polarity Quantity: 2 pcs Material: Alloy Weight: 217g / 7.7oz Package List: 2 x Reversed Polarity Note: 1. Please allow slight variation due to manual measurement. 2. Monitor settings may vary; actual product color may differ slightly from images shown.