Rugged Aluminum housing and waterproof construction, the IP68 rated HL23 adventure proof headlamp is ready for anything you can throw at it. Armed with a powerful Cree XP-G2 LED, this one AA battery powered headlamp provides 150-lumen output with 55-meter beam distance. Featuring three brightness levels, HL23 is a great choice for your nighttime adventures. HL 23:Cadet Grey color Features middot;Uses Cree XP-G2 R5 LED with a lifespan of 50,000 hours middot;Uses one AA (Ni-MH, Alkaline) battery middot;SIZE: 71mmtimes;38.9mmtimes;40mm?2.79" times;1.53"times;1.57") middot;WEIGHT: 52g (1.76 oz) excluding battery middot;Digitally regulated output maintains constant brightness middot;60 degree tilt mechanism middot;Fast, convenient all-in-one button switch middot;Reverse polarity protection guards against improper battery installation middot;Made from durable aluminum alloy and plastic middot;Premium Type III hard-anodized anti-abrasive finish middot;Toughened ultra-clear glass lens with anti-reflective coating modes of output: