Powerful rechargeable and reliable the SOG M113 LED Flashlight features three OSRAM LEDs powered by a single 21700 lithium battery that delivers up to 140 hours of runtime when operated on the lowest setting. Boasting a capacity of 5000mAh it delivers an impressive 4000 lumens for a beam distance of up to 288 meters—ensuring you never have to question what’s just up ahead even in the dead of night. Additionally it comes equipped with a lockout function ensuring that it won't accidentally turn on while stored in your pocket or bag. Talk about an after-hours tool you can count on this light is the perfect companion for search rescue and other outdoor activities that take place well after the sun has gone down.