Rayovac OTHL3AAA-BA Virtually Indestructible LED 3AAA Headlight High performance LEDs, custom optics and 2 modes: 50 Lumens, 21 Lumens (energy saver) Beam distance: 30 meters, 17 meters (energy saver) Battery Run time (alkaline batteries incl.): 17 hours, 38 hours (energy saver)