HID Ballast for Xenon Light Bulbs: 1)12V/35W, 12V/50W ,24V/35W ... lifespan 3)CE, TUV,E13,E4 certs HID Ballast for Xenon Light Bulbs12V/35W, 12V/50W ,24V/35W,24V/50W ... Frequency 260Hz~280HzEfficiency ≥84%, Condition: DC 12.8V InputIgnition Pulse Typical peak Voltage 23kV Typical duration 1sCooling Method Natural coolingInput ... and get highly estimated from them. HID Ballast for Xenon Light Bulbs_?wshGJIxLH