The Fenix HM23 is a compact and lightweight headlamp that operates on a single AA battery. The lamp weighs only 43 grams, it is great for running, hiking, climbing and other high movement activities. The all-metal housing body is made of high-strength aluminum, nearly indestructible. Soft neutral white light, featuring a max output of 240 lumens with better color rendering for a clean, balanced beam pattern. Easy to find and inexpensive AA battery, this lamp is bound to light up every of your step. 

Features 
* Cree neutral white LED with a lifespan of 50,000 hours 
* Powered by one AA (alkaline/ Ni-MH) battery 
* Size: 2.74’’ Length x 1.57’’ Height x 1.26’’ Width (69.5 x 40 x 32 mm) 
* Weight: 1.52 oz /43 g (excluding battery) 
* Max 240 lumens and max 100 hours runtime 
* Three output levels for kinds of lighting demands 
* Digitally regulated output maintains sectional constant brightness 
* Reverse polarity protection to protect improper battery insertion 
* One-switch control ensures easy and fast operation 
* Low-voltage warning reminds when battery replacement needed 
* Made of quality aluminum and silicone - tough and durable 

Weight: 43 g 
Max. output: 240 lm 
Max. distance: 53 m 
Impact resistance: 2 m 
Waterproofness: IP68 
Max. runtime: 100 hrs.