Use Tips:Always Start your engine before you activate your HIDs.Do not turn the HIDs on and off frequently or rapidly.Do not install the HID ballasts and igniters near the engine or any place where water can reach the HID components.Make sure the HID connectors are tight and secured to the stock harness.Description:1.Lighter thinner and yet sturdier than the others2.Start-up fast than others3.Strict eight items testing of ballast4.Regular manfactures ensure the quality of goods5.Aluminum Base PCB6.Dustproof,conform to SAE J575 regulations standard7.Shocproof,conform to the Din 40046 laws and regulations standard8. Constant power,safeguards the ballast and service life of the bulb9.Under Voltage protection,when the car battery voltage is lower than 9V,ballast shut down automatically10.Over voltage protection ,when the car power supply system and battery faliure or voltage over 16V ballast will shut down automaticallyFeatures:Power:55WVoltage Input:9-16VWorking Current(Norm):3.6APower Output(Norm)55WCaseTemperature:-40 degree- +105degreeCompatible with:H1 H3 H4 H7 H8 H9 H11 H13 9005 9006 9007 9004Bulb Type Available: H7Voltage Input: DC 12VWorking Current (Norm): 4.5A/55WService Life: more than 4,500 HoursMax Input Current: 6A/55WPower Output (Norm): 55WCase Temperature: -40 deg C - +105 deg CCompatibility: Car, motorcycle, electric motor carPackage includes:2 X Xenon HID 55W