Outfitted with 3 Luxeon Rebel 90 LED emitters, the Bluestone LED flashlight emits more than 630 Lumens but has a run time of up to 50 hours. The beam focus can be adjusted between spot and flood and the flashlight has both high and low output settings. This hefty light weighs 4 pounds with batteries installed (not included) and measures 16½" long and 2" in diameter. Includes a shoulder carry sling for hands-free use.