The Fenix HL10 Headlamp puts 70 lumen max output in a featherweight case that opens to release a mini flashlight. Three brightness levels deliver a 90 degree beam with a 100 degree tilt inside the durable case that measures only 45.2 g(1.59oz). Features · Utilizes Cree XP-E LED with a lifespan of 50,000 hours · Uses one AAA (Ni-MH, Alkaline) battery · 69.5mm(Length) ×29.2mm (Width) ×28.2mm(Height) · 45.2-gram weight (excluding the battery) · Mini light stands upright when removed from the case ·100-degree tilt mechanism focuses the HL10 where needed · Digitally regulated output - maintains constant brightness · Reverse polarity protection guards against improper battery installation · Made of durable plastic and aluminum alloy ·Premium Type III hard-anodized anti-abrasive finish ·Toughened ultra-clear glass lens with anti-reflective coating