Fenix Lighting HM50R V2.0 Lithium Ion 700 Lumens Headlamp Black. Four output modes including turbo high med and low give you between 2-128 hours of life. The HM50R is powered by one rechargeable 16340 lithium-ion battery or one CR123A lithium battery. One button operation keeps your hands free making this convenient for outdoors recreation or hands-free work. Constructed of aluminum with a hard-anodized anti-abrasive finish. The headband is reflective and channels sweat away from your face. Toughened ultra-clear glass lens with anti-reflective coating. Specifications for Fenix HM50R Headlamp: Manufacturer: Fenix Lighting Flashlight Application: Outdoor Color: Orange Black Fabric/Material: Aluminum Beam Color: White Light Output: 700 lumens Bulb Type: LED Water Resistance Level: IP68 Battery Type: CR123A Features of Fenix HM50R Headlamp: Cool white LED with a lifespan up to 50000 hours Micro USB rechargeable (16340 batteries only) 4 output modes 1 switch operation IP68 waterproof rating Package Contents: Fenix HM50R Headlamp Fenix Lighting HM50V2BK: HM50R V2.0 Lithium Ion 700 Lumens Headlamp Black