This latest FastFire offering is optimized for tactical applications. Available in your choice of 3-MOA or 8-MOA dot configurations, its integrated mount makes it ready to put on any firearm equipped with a top tactical rail. Access to the CR-1632 3-volt battery (included) from above makes changing out batteries faster and more convenient than other models. A low-battery indicator warns you when it’s time for a fresh battery. Upgraded windage and elevation adjustment controls make zeroing in easier. The handy power button lets you choose from one automatic and three manual brightness settings. A protective cap with lenses is included. Available: 3-MOA dot, 8-MOA dot.