Input: DC 9-16VPout:35WStable current: 3.5A±0.3ACold start current: 9A±0.3AAdvantage:• 2S Fast start --- Why not design it to be 1S start? When 1S start, the electric current hit the bulb seriously, which will damage the bulb and decrease the lifespan of it greatly.• Super high quality, actual defective rate within one year using is just less than 0.5%.• Fast Bright, High Stability, advanced german technology• Passed many strict tests, full testing before sending out the goods to customers• waterproof and quake-proof • Quick and safety ignition• Short-circuit protection• Undervoltage protection• Overvoltage protection• No-load protection• Reverse polarity protection