Description 1 High Intensity Discharge HID conversion digital ballast are a simple affordable way to replacement your defective ballast from standard halogens to cutting edge xenon technology 2 This ballast is universal fit for all aftermarket HID light bulbs as below H1 H3 H4 H7 H8 H9 H10 H11 H13 HB1 HB2 HB3 HB4 HB5 9003 9004 9005 9006 9007 9008 9140 9145 880 881 all 800 series available For OEM D1S D1R D2S DS4 D4S D4R buyer MUST need to get a AMP connectors to fit 3 This item need hid xenon bulbs to install If you want to buy hid xenon bulbs please go to our store to buy it 4 Waterproof Heatproof Shockproof Anti Electronic Interference and Constant Power Output Specification Wattage35 55WStart voltage23KVOutput voltageDC 12VWorking Temperature 40°C 105°CLife Time2000 hrsProtection FunctionShort out put protection in 1 5 sec by shutdown Note 1 Use for 12V truck 12V bus 12V offroad 12V tractor all with 12V big vehicle 2 Not suitable for 24V car auto motorcycle 3 As it is just normal hid ballast without can bus function can not cancel error If your car is high end luxury and european models with computer and find it cause error or warning erro after install ballast please go to our store to buy canbus hid ballast Package included 1x HID Ballast