"Illuminate any situation with the Streamlight PolyTac X Tactical Light. It throws a super-bright 600-lumen beam out to 205m on High, a bright 260-lumen beam out to 135m on Medium, and a dimmer 35-lumen beam out to 50m on Low. Plus, there's a Strobe mode for signaling or disorienting. The TEN-TAP programmable switch gives you easy, intuitive access to High/Strobe/Low, High Only, and Low/Medium/High operating modes. Super-tough, high-impact nylon-polymer construction sports Rocky Stipple texturing for a sure grip. O-ring-sealed glass lens locks out dirt and moisture. Also features a removable, multiposition pocket clip. The included 2 CR123A lithium batteries run for up to 2.75 hours on high and up to 34 hours on low. The innovative Multi-Fuel design allows the flashlight to also run on a rechargeable 18650 USB lithium battery (not included). Waterproof up to 1m for up to 30 minutes with the IPX7 rating. 3m impact resistance. The Streamlight PolyTac X tactical flashlight meets the requirements of NFPA 1971-8.6 (2013). Mfrs. lifetime limited warranty. Length: 5.46"". Weight: 4.34 oz.Manufacturer model #: 88600. Beams 600 lumens to 205m on High and 35 lumens to 50m on Low Strobe mode for signaling and disorienting TEN-TAP programmable switch Super-tough, high-impact nylon-polymer construction Rocky Stipple texturing for a sure grip O-ring-seal glass lens Removable, multiposition pocket clip Compatible with a rechargeable 18650 USB lithium battery Waterproof up to 1m for up to 30 minutes 3m impact resistance"