... guaranty UGG Digital Ballast, Excellent Quality, Professional Manufacture Available Voltage and Wattage: 12V 35W, 12V 40W, 12V 45W, 12V 50W, 12V 55W 24V 35W, ... ---MICHICON5) IC---ON Semiconductor 2. Features: 1) HID Ballast Digital,AC,CPU,with Double Boards.2) Startup Time: ... ) Protection Voltage: when the voltage exceed 18V, the ballast will stop working automatically, and make the output power below ...