Features:Producing a unltra bright beam of light by CREE LED Adjustable headband with a soften pad for forehead Many usage of an LED headlamp such as camping， backpacking， hunting， fishing， Emergencies and home repairing It is the top-level equipment for biking player who must buy it Specicfications:Bulb Type: CREE XM-L T6 LED Extensive Lifetime of LED (10，000 hours) Number of LED: 1 LED Color: White Switch Type: Button One button switch : On， Off， High， Medium， Flashing Lighting Brightness: 900 lumensIrradiation distance: 300-500 metersDimming Mode: 3 files (strong - weak - Strobe)Zoom: the zoom headColor: Black & Blue Flashlight Material: Aluminum + ABSFlashlight Color: BlackSurface treatment: wear anodizedWaterproof grade: IPX5 (Anti-rain， spill-resistant water)Applicable battery: 2 18650 lithium battery(Not Included) Operating voltage: ¡Ý3.7VSwitch Type: push switch headHeadlights Specification: 54 * 42mmPacking: about 117 x 117 x 110mm Accessories: HeadbandProduct Weight: 190gPowered by: 2 x 18650 Battery (Not Included) Package Contents: 1 x CREE XM-L T6 LED Headlamp