The Klarus XT30 820 Lumen Flashlight is a specially designed deep, parabolic reflector that produces a perfect beam profile and has a super long throw ability. Intended applications include military, law enforcement, hunting, exploration, security, and search & rescue. This Klarus XT30 820 Lumen Flashlight uses a CREE XM-L U2 LED which delivers a maximum output of 820 Lumens. The Klarus XT30 820 Lumen CREE XM-L U2 LED Flashlight has a maximum runtime of 180 hours, a beam throw ability of 360 meters, and has a new circuit design. The dual button tail switch enables for a quick, one-hand operation, and no more need to fiddle with switches in two different places! The strobe can be activated with the mode switch when the flashlight is on or off, giving instant access to strobe mode from any mode. The Klarus XT30 Flashlight comes with a detachable stainless steel strike bezel, and has reverse polarity protection which protects the flashlight and battery from damage. This Klarus XT30 820 Lumen Flashlight w/ Strobe Mode can be used with an ED10 remote switch and fits a 1 inch gun mount.