Experience extreme function at a reasonable price. Streamlight, famous for building tactical-certified light sources, engineered this flashlight to perform flawlessly in all conditions. High-impact polymer-nylon bodie is tactile-textured for a positive all-weather grip. Tail-cap button for one-handed momentary constant light. Tail cap rotates to safe "off" position. IPX-rated waterproof to one meter for 30 minutes. Shockproof and power-regulated for maximum efficiency. Includes two CR-123A lithium batteries. Output: 120 lumens for 80 minutes. Dimensions: 5.22" long. Weight: 4.1 oz.