CBK 2PCS New Spare 35W 12V DC Slim Digital Xenon Ballast Car HID Replacement Ballast 1. Ballast with aluminum case: waterproof, anti-shock and low-voltage protection. 2. Plug & play: easy to install and no modification required. 3. High-voltage and low-voltage protection function ,anti-electromagnetism, connection circuit. 4. Very good anti-interference function of electromagnetic radiation. 5. Compatibility: Car, Motorcycle, Electric motor car etc... Quantity: 2 pieces. Condition: 100% Brand New and High Quality Replacement Rectifier Regulator