"Cut through the darkness with the Surefire G2X Pro Compact LED Flashlight. The versatile LED emits 600 lumens of light on high as well as a dimmer 15 lumens on low, so you can adjust the level of brightness to suit your needs. Tail-cap switch gives you easy control over the flashlight. Durable Nitrolon polymer body stands up to hard conditions. Runs on two 123A batteries (included) for up to 1.5 hours on high and 52 hours on low. The Surefire G2X Pro Compact LED Flashlight is a great option for outdoor use, emergency preparedness, everyday carry, and more. Length: 5.2"". Weight: 4.4 oz. (with batteries). Manufacturer model #: G2X-D. LED produces 600 lumens on high and 15 lumens on low Tail-cap switch for easy control Durable Nitrolon polymer body"