This all purpose flashlight is designed for the broadest range of lighting needs at the best value. - Multi-function On/Off push-button switch lets you choose three lighting modes and strobe; designed for extremely long life; tested at 1 million actuations - Three modes and strobe: - High for a bright super-bright beam - 350 lumens; 24000 candela peak beam intensity; 310 meter beam distance; runs 2 hours - Medium for bright light and longer run times