The Hot led headlamps 1Hishine led headlight 2.Light illumination(1m)>2000Lm 3.current for power adapter 4.Life-span>50.000 5.CE&RoHS.. New led headlightspecification: ItemHS-H10W001Power adapterAC110-240 VOutput voltage/current for power adapter4.2V/500mAFrequency50/60HzRating capacity2.8AHWorking voltageDC 3.7VIllumining time>16hLED power consumption1WLED luminous flux108LmLight illumination>2000Lux (at 1M distance)Color temperature(CT)5500-7000KColor rendering Index(CRI)Ra>75Junction temperature(Tj)<60°C (Ta=25°C)Working temperature-20 45°CWorking humidity10%-90%RHStock temperature-20 60°CLife-span50000HBody materialPCNet weight0.16Kg.IP degreeIP65 Features: Used in underground mines, climbing mountains at night,camping,railroad and navigation lighting.