High intensity light beam. 1 2 turn, twist focus, spot to flood. Interchangeable light sourcing use either the installed LED module or the Krypton lamp (stored in tailcap). High strength aluminum alloy case. O ring sealed for water resistance. Vented tailcap reduces chance of gas buildup. Order now and Get 24% off Mag Instrument ST3D016 3 ”D” Maglite LED