Each standard 35w output ballast is two separate ballast and ignitor units that connect via proprietary gasket seated connections. All components and connections are 100% waterproof. These are perfect for extreme conditions, off-road and racing competition vehicles where frequent replacement of parts is to be expected. All genuine parts are individually serial numbered or registered before shipping. Mounting hardware subject to change. Each order Includes: - 2x Matsushita waterproof 35 watt ballasts - 2 year warranty from Matsushita |