... Reverse polarity protection 4. Tempered glass 5. Build in ballast Description:1. Ballast: Ballast built-inside2. HID ... , Rust-proof, Anticorruption ,It can be used in rain or bad environment.2. Usage:Work/Spot/ ... Day/Fog Available for Truck,SUV's bumper; Work light, fire engine,ambulance; Farming, mining, forklift, exterior ... bright auto/car HID working spot light with build in ballast 12V35W 24V55W