OPEBS Fenix L1T 2 Level High Performance Cree LED Flashlight 4 inch length, less than 3 ounce weight, convenient dual output levels: High Output: 98 Lumens (1.5 hrs) and Low Output: 16 Lumens (15 Hrs) 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