1.Digital AC Output Voltage ballast,much better quality than DC Output ballast.2.Lowest starting current and comsuption3.Output voltage Frequency:As low as 250Hz so that would not interfere the usage of other electric equipment.4.Input Voltage Range: DC 9 16V5.Start Current: 9A6.Normal Xenon Ballast Working Current: 5.5A7.Ignition voltage: 23,000v 25,000V8.Output Power: 55W±2W9.HID Xenon Ballast Working Temperature: -40 105°C10.Efficiency:More than 85%11.Life Span:Above 3000Hrs12.Protection Performance:Automatic Recovery FuntionOpen Circuit ProtectionShort Circuit ProtectionReverse Connection ProtectionLow Voltage ProtectionOverloaded Voltage Protection13.Ballast Color:Silver14.Quality Warranty:14 months,replaced all damaged items free of charge according to our warranty card permission