Nitecore (Sysmax Industrial MH20GT Flashlight, Black Offering up to 1000 lumens output in a super compact body measuring 4.37" in length and weighing 3oz (without battery). Features a CREE XP-L HI V3 LED for up to 396 yards throw and peak beam intensity of 33,000cd An intuitive side mode switch controls five brightness levels and three special mode functions Runs on a single 18650 battery for up to 680 hours runtime or use 2x CR123A batteries for up to 340 hours runtime USB Rechargeable with a built-in USB charging port with charging status indicator and included charging cable.