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 Lighting HM50R V2.0 Lithium Ion 700 Lumens Headlamp: Manufacturer: Fenix Lighting Color: Orange Black Beam Color: White Light Output: 700 lumens Battery Type: CR123A Bulb Type: LED Fabric/Material: Aluminum Water Resistance Level: IP68 Flashlight Application: Outdoor 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