Specifications: 1) Power: 35W 2) Voltage: 12V or 24V 3) Efficiency: 95% 4) High lumination: 3,500Lm 5) Long life: 10 times longer than ordinary halogen lamps, about 3,000 - 5,000 hours 6) Operating ambient temperature range: -20 ~ +85oC 7) Low voltage protection: when voltage of the battery is less than 9V, ballast will stop working to avoid HID bulb exhausting electric energy 8) Over-voltage protection: when voltage of the battery is more than 16V for trouble of power supply system and battery, ballast will stop working to prevent high voltage from burning bulb 9) Waterproof: up to DIN400500 legal standard 10) Anti-dust: up to SAE J575 legal standard 11) Shockproof: up to DIN40056 legal standard 12) Color temperature: 3000K, 4000K, 5000K, 6000K, 7000K, 8000K, 10000K, 12000K TYPE: 9004, 9005, 9006, 9007, H1, D2C/D2S/D2R, H3, H4, H7, H8, H11