Water resistant. Impact resistant. Strobe. Modes: Turbo (255 lumens); High (180 lumens, 2h 50m runtime); Low (55 lumens, 16h 15m runtime). 21m beam distance. Nylon head strap. Hinged beam adjustment. Quick-Cycle Switch System. Utility beam. White and red light. C.O.B. System. Requires (2) AAA batteries (included). Clam packed.