Features: Optical lenses with double-sided scratch resistant coating. Metal side switch control. USB-C charging port. Electronic reverse polarity protection. 202m beam distance. Includes spare O-ring, battery magazine, and NTH10 tactical holster. Requires (1) 21700 battery (incl), or (2) CR123A batteries (not incl). Compact and powerful, this is the quintessential rechargeable flashlight. The reassuring dependability, IPX8 waterproof rating, and long-lasting light beam makes this Nitecore flashlight one of the best preparedness tools you could have. Make this your everyday carry flashlight, and you'll never be without a light in dark places. Give your personal safety the attention it deserves. This flashlight has location light capabilities, an SOS setting, and strobe. Output: Lumens / Runtime* High: 1,200 lumens / 3h 45 minutes Mid: 300 lumens / 8.00 hours Low: 55 lumens / 46 hours Lower: 1 lumen / 1500 hours