The Aduro XL LED Pocket light has a side-emitting LED bulb with a collimator, rather than conventional reflector that delivers 24 lumens of output. At 50 hours of burn time, the 1-watt LED light has a dual o-ring seal with one-piece Delrin body rated to 650 feet (200m). With a knurled grip and twist-on bezel, the Aduro XL LED is easy to handle underwater, even with gloves on. It also includes an attachment point for a bolt snap or lanyard. At 6.25-inches long and 1.8-inches in diameter (16.7cm x 4.5cm), the Aduro XL LED light fits easily in pocket or clipped onto a harness D-ring. Four AA batteries are included. 7.9 oz. Made in the U.S.A.