Features: 1.Stable high-voltage output, less interference, strobe up to 10 million times without damage. 2.Adopts international advanced electronic ignition technology, directly replacement for the original one. 3.Can realize quick start of low current, surpassing the imported ballast. 4.The cold start current is not excessive, and the lamp tube is not accelerated to a high power, to extend the service life of the lamp tube. 5.The pin type design of imported ballast, compatible with ultra-fast start ballast + frequency conversion decoder or X3 decoder, D1/D2/D3/D4 compatible installation, to meet the installation of different models. Specification: Condition: 100% Brand New_x000D_ Item Type: Ballast _x000D_ Material: Metal_x000D_ Color: As Pictures Shown_x000D_ Input Voltage: 9-16V_x000D_ Maximum Input Current: 6A - 8A_x000D_ Instant Start Voltage: 23KV_x000D_ Output Voltage Waveform: Square wave_x000D_ Frequency: 250 10Hz_x000D_ Output Open Circuit Protection: 1S_x000D_ Output Short Circuit Protection: 1S_x000D_ Input Voltage Reverse Connection Protection: 1S_x000D_ Working Temperature: -40 - 105 _x000D_ Service Life: 30000HRS_x000D_ Part Number: M1-W003T18471_x000D_ Fitment: _x000D_ 2009-2013 fit for A3 / S3_x000D_ 2010-2014 fit for A4 / S4_x000D_ 2008-2014 fit for A5 / S5_x000D_ 2009-2014 fit for A6 / S6_x000D_ 2010-2014 fit for A7 / S7_x000D_ 2010-2014 fit for A8 / S8_x000D_ 2008-2014 fit for Q5_x000D_ 2010-2014 fit for Q7_x000D_ Fit for SAGITAR_x000D_ Fit for Magotan_x000D_ Reason of Direct Replacement:_x000D_ 1. Using C-BUS smart chip, fully automatic chip packaging, less than 1 defect rate;_x000D_ 2. The C-BUS smart chip is highly compatible with the original car equipment, which can better suppress the interference to the original car computer;_x000D_ 3. 12V high-precision automatic adjustment circuit;_x000D_ 4. High conversion efficiency> 90%, guarantee of service life;_x000D_ 5. Quick start, light up instantly, light up in 0.1S, support fast strobe, 1S / 2 times;_x000D_ 6. High brightness standard power output, the power error of 45W is only 1W; _x000D_ 7. C-BUS smart chip has super strong output voltage automatic adjustment function to adapt to the matching of the bulb pressure of different manufacturers. Bulbs with a tube voltage of 40 to 150V can be normally lit and used;_x000D_ 8. The C-BUS smart chip integrates all protection functions, constant power, and automatic high and low voltage constant light adjustment to ensure the safety of use and the constant light of the car lights;_x000D_ 9. Normal and stable operation at minus 40 and high temperature 105 ._x000D_ 10. Built-in ordinary CANBUS decoding circuit to reduce the interference to the car computer. Note: Please double check the part number of your item, matching information is for reference only._x000D_ If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!