FEATURES-Machined aircraft-grade aluminum with black anodized finish-Unbreakable polycarbonate lens-C4 LED-45 lumens-420 candela-41m beam-Push-button tail switch-2.25 hour run time-Runs on (1)'AAA' alkaline battery-Pocket clip-High-strength, breakaway safety lanyard-IPX4 water-resistant - 1 meter impact resistance tested-3.6" long-1.10 oz.