Multiple protection and reliable operation Adjust the voltage and current provided to the lamps for safe, stable performance Protects against short circuit, open circuit, polarity errors, overload, and overcharge Replaces damaged ballast/control units; plugandplay and ready to use with no programming or loading required Suitable for both left and right headlights Quick ignition and consistent performance The ballast helps the lamp ignite quickly by delivering a voltage peak to the lamp Establishes an arc between the lamp electrodes to ignite the HID xenon bulb Improved lighting and driving comfort Enhances overall lighting for safer driving, providing reliable illumination of the road ahead Compatibility and guidance Please confirm the OEM number when Easy installation and practical applications Designed to damaged control units in HID systems; plugandplay, no programming or loading required Suitable for both left and right HID headlights Use scenarios Scenario 1: Replacing a failed ballast in a vehicle's HID headlight system to restore original brightness and reliability on both sides Scenario 2: Repairing or upgrading HID lighting in vehicles to ensure consistent ignition, protection features, and reliable performance Scenario 3: Retrofitting or restoring xenon headlights in a vehicle that requires a ballast to support stable ignition and precise voltage control