Product DescriptionUltra-lightweight and compact are just among the best characteristics of the all-new Fenix HM23 working and mountaineering headlamp. The HM23 weighs easily 1 oz. whereas still keeping its high-strength body. What makes the HM23 even greater is the fact that a unmarried AA Battery can energy it. Activating the HM23 is a breeze with the innovative all-in-one single swap operation. Included along with your buy of the HM23 is the lightweight headband with reflective strips that can be seen from 164 toes away. You can also easily alter the beam perspective of the HM23 as much as 180˚; here's specifically handy throughout caving or climbing expeditions. It facets an IP68 waterproof defense rating allowing it to face up the elements effortlessly. The Fenix HM23 is the perfect companion to any trail or hike. SpecificationsUtilizes Cree neutral white LEDCompact and Lightweight180˚ Adjustable gentle beamPowered by way of a single AA Alkaline BatteryHM23 Light OutputsHigh 240 Lumens/8 Hours/173 Ft 70 Lumens/16 Hours/98 Ft four Lumens/100 Hours/31 Ft with reflective strips (164 Ft. visibility)Oxidation Resistant AluminumAll Metal HousingDigitally regulated output Reverse polarity defense to guard from flawed battery installationSingle Switch OperationWaterproof to IP68 standards (under water 6 feet/2 meters for 30 minutes)SizeLength 2 inchesDiameter 1 inchesWeight 1 oz (Excluding Battery)BatteriesIncluded/Compatible Batteries - One AA Alkaline batteryIncluded HM23 LED HeadlampHeadband with reflective stripsSilicone Holder HM23 User ManualSpare O-RingWarranty Card