The Pelican 2360 flashlight is made of aerospace-grade aluminum, an impact resistant LED lamp module, and removable pocket clip. This flashlight gives you 3 light output modes: High, Strobe, and Low. On High, you get a light output of 375 lumens for 2.5 hours. On Low, you get a light output of 29 lumens for 13 hours. You also have 4 selectable light programs to choose from and a battery level indicator accessed via the momentary push button. With these 3 efficient output modes, long run times, and selectable programs, the Pelican 2360 keeps you on point without equipment failure and will not leave you in the dark.All Pelican flashlights tested in some of the harshest environments, hot and cold.