The brightness of a larger light in a compact size that can be comfortably used with a firearm. Team Soldier Certified Gear. Two 3 volt CR123A lithium batteries with a storage life of 10 years (included). C4 LED is 2X brighter than a Super high-flux LED – Up to 9000 candela (peak beam intensity); 160 lumens. Anti-roll head. Up to 3.5 hours of runtime to the 10% output level. Pocket clip, adjustable lanyard. Head: 1.25-Inch, Body: 0.9-Inch x Length 5.25-Inch. 4.3-Ounce with batteries. Available in black. Assembled in USA.