Fenix 132 Lumen LED Flashlight 4 inch length, less than 3 ounce weight, Amazing 6 output levels : low-9 lumens (34hrs) -&gt;eduim- 50 lumens (6hrs) Will reach over 75 meters (246 FT) using only one 1.5V AA ( alkaline, Ni-MH) batteries, inexpensive and widely available--NOT INCLUDED Unbelievable 2.5 ounce body design is made of durable aircraft-grade aluminum, type III hard-anodized anti-abrasive finish Waterproof to IPX-8 standard Virtually indestructible, microprocessor-controlled, CREE light emitting diode (LED) has no filament to burn out or break High-105 lumens (2.2hrs) -&gt;turbo-132 lumens (1.5hrs) -&gt; strobe, SOS