Fenix 6 Level High Performance Cree LED Flashlight, Black, 4-Inch High-performance flashlight ideal for hiking, camping, and general use Digitally regulated Cree XP-G LED bulb produces constant brightness 4 output levels: turbo, high, mid, and low; runs on single 1.5-volt AA battery Durable aircraft-grade aluminum body; ultra-clear glass lens with anti-reflective coating Measures 3.93 inches long; weighs 1.9 ounces; limited lifetime warranty 4 inch length, less than 3 ounce weight, amazing 6 output levels 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