The Streamlight PolyTac LED Flashlight is great for the field or at home emergencies. Streamlight, famous for building tactical-certified light sources, engineered this C4 LED flashlight to perform flawlessly in all conditions. High-impact nylon-polymer body 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. Three operating modes: high only, low/high, or high/strobe/low (factory default). 275 lumens on High, up to three hours. 14 lumens on Low for a longer run time of up to 65 hours. Includes two CR-123A lithium batteries. Length: 5.22". Wt:4.1 oz.