Features and Benefits: 3-position lighting; 1) xenon bulb; 2) one LED; 3) three LEDs Includes three LEDs and a xenon bulb in the same reflector Powered by 3 ÂAAAÂ alkaline batteries (included) 300 mA xenon bi-pin bulb, plus three 100,000-hour life LEDs 18 lumens typical (xenon); 24 lumens typical (3 LEDs) Spot to flood focus. Adjustable elastic head strap and rubber hard hat strap. 90° tilting head. Runs up to 150 hrs (single LED). Facecap diameter: 1.86Â. Max. Width: 2.55Â. Max. Depth: 2.53Â including head strap and mounting plate. 4.64 oz.