The GL4 weapon light from Klarus is packed with features. Thanks to its mirrored reflector, it emits a brighter beam with 3,300 lumens and a range of 370 meters. With 5 brightness levels, including strobe, you are always ready for action. The cable switch design provides a significant tactical advantage due to its quick-use functionality. Multiple mounting options for the head and end of the light are available for quick attachment to 1913 or Picatinny rails. The tailcap switch allows for dual tactical and outdoor settings for more versatility. The included 21700 battery has a capacity of 5,000 mAh for enhanced long-term use and can be conveniently charged via USB-C. The GL4 also features a charging indicator.