The Fenix HL18R-T is a rechargeable headlamp that features the new patented SPORT headband fit system. With a simple click and twist you can easily adjust the fit with just one hand. Powered by the included rechargeable 1300mAh Li-polymer battery pack, the HL18R-T headlamp emits a maximum output of 500 lumens. Separate switches control three brightness levels of spotlight, one floodlight, and SOS. Easily switch out the battery pack for readily available AAA batteries if needed. IP66 rated rain/splashproof, with a 60° adjustable angle, and extremely light weight, the HL18R-T headlamp is the perfect fit for hikers and runners. Max Lumens: 500Max Beam Distance: 269 feet (82 meters)Max Runtime: 43 hoursLighting Modes: 3 brightness levels on spotlight, 1 brightness level and SOS on floodlightBulb Type: Cree XP-G3 S3 neutral white and Everlight 2835 white LEDSize: Length: 2.7” (68.5mm) Width: 1.85” (45mm) Height: 1.55” (39.5mm)Weight: 2.2 oz. (63.2g) including headband/excluding battery; 3.4 oz. with 3xAAA battery for backup batteries; 3.1 oz. with recommended Energizer Lithium AAA for backup batteries; 3.5 oz. with included rechargeable battery packBattery: One Li-polymer battery pack (included) or 3 AAA batteries (not included)Included: ARB-LP1300 Li-polymer battery pack, headband, Micro USB charging cableWarranty: Limited Lifetime Guarantee from Fenix Lighting USA Fenix HL18R-T Headlamp | redwoodtradingpost