The Fitorch ER20 is a compact, intensely bright EDC flashlight. Measuring under 3 inches in length, this light is surprisingly bright with up to 1000 lumen output. Great for work, walks, chores and general everyday use, the ER20 is designed to be the ultimate convenient and compact flashlight. Uniquely the ER20 features a body with flat edges on all sides, giving it an easy to grip feel as well as making it highly resistant to rolling. Magnetic Charging For fast and easy charging, the Fitorch ER20 is magnetically rechargeable and can be charged via any USB power source. The included magnetic charging cord simply clicks into place and charges an (also included) 16340 battery. This battery is also rechargeable itself via micro-USB! On the topic of magnets - this light also includes a powerful magnet located in the tailcap for hands free lighting using any metallic surface. Features LED: CREE XPL HD, up to 50,000 hours lifetime.Output: max 1000 lumenReflector: precise metal filmedGlass: AR coated &high light transmission glassModes: Turbo-High-Medium-Low-Strobe-SOSWorking Voltage: 2.0V-4.2VCompatible Batteries: 1*16340 or 1* CR123AMaterial: Aerospace Aluminum Alloy 6061-T6, HA-III military hard anodizingSwitch: side switchDimensions: Ø21(Head&Body)*L70.5mmN.W.: 49.5g(without battery)G.W.: 163g Specifications FL 1 STANDARD TURBO HIGH MEDIUM LOW Strobe SOS Output 1000LM 400LM 60LM 2LM 1000LM 1000LM Runtime 45min 2h 12h 150h 1.5h -- Max Range 150m 150m 150m 150m 150m 150m Max light intensity 4500cd 4500cd 4500cd 4500cd 4500cd 4500cd Impact Resistance 1m 1m 1m 1m 1m 1m Waterproof Rating IPX-8 IPX-8 IPX-8 IPX-8 IPX-8 IPX-8