OPEBS Fenix L2T 2 Level High Performance Cree LED Flashlight 6 inch length, 3 ounce weight, convenient dual output levels: High Output: 152 Lumens (2.4 hrs) and Low Output: 16 Lumens (32 Hrs) Will reach over 115 meters (377 FT) using just two 1.5V AA ( Alkaline, Ni-MH) batteries, inexpensive and widely available--NOT INCLUDED Unbelievable 3 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