Strion LED HL, Purple, Flashlight Only Multi-function On/Off push-button tail switch lets you choose three lighting modes and strobe. C4 LED with three modes and strobe: o High for a super-bright beam - 500 lumens; 10,000 candela peak beam intensity; 200 meter beam distance; runs 1 hour o Medium for bright light and longer run times – 250 lumens; 5,000 candela peak beam intensity; 141 meter beam distance; runs 2 hours o Low for light without glare and extended run times – 125 lumens; 2,500 candela peak beam intensity; 100 meter beam distance; runs 3.5 hours o Strobe for disorienting or signaling your location; runs 2.5 hours. Lithium ion battery is rechargeable up to 1000 times; fully recharges in 3 hrs.. IPX4 water-; 2 meter impact resistance tested. Durable, anodized aircraft aluminum construction; Borofloat high temperature glass lens. Anti-roll head prevents the light from rolling away when you set it down 74774