35/28W alternating current double power HID Flashlight Set Includes: flashlight (with strap), with 4400 mA battery, a car charger, a 220V charger (3A), aluminum packaging (part aluminum), no trace lens cleaning A cloth and a yellow filter. Using yellow filter allows light into the 4000K yellow light, use outdoor. HID (High intensity discharge) or named "high intensity discharge lamps", poured Xenon into the quartz tube by high-tech, then ballast will be 12 volts up to 23,000 volts through the precise moment, electronic in the xenon tube free, formed between the two electrodes formed a bunch of powerful, not only more light, but also illuminate wider, we call gas discharge, as produced by super xenon arc white light similar to the sunshine, BMW series are equipped with high-HID xenon lamp currently. Packing Size: 42 * 20 * 11CM Carton Weight: 2KG (including all accessories) Product Features: Working environment temperature : -20 +50C Starting environment temperature :0 +50C Waterproof degree: IPX3 Waterproof Continual illuminate time ≥ high 70mins/Low 90 mins Brightness :2500LM Bulb life-span ≈3000hrs Irradiation distance ≤1000m Color temperature: 6000K (Option:4200K 5000K 8000K 10000K) Optical efficiency: 70LM/W Material :ALU Electricity parameters: Ballast input voltage :9 16V Working voltage :12.6V Working current: 3.2A Starting max current: 8A Power output high :35W/Low 28W Output temporary max voltage: 23KV Battery mode: ICR18650X3S2P(4400mAh) Battery charge voltage :12.6V ± 0.1V Battery lifespan:≥500 times (charge and discharge times) All flashlight surface treatment and color can be processed according to customer requirements