The EFLX is EOTECH's first red dot sight designed for use as a primary sight pistols, shotguns, and rifles or as a backup sight for scopes and other magnified optics. The EFLX features a large rectangular window for superior field of view along with a top loading battery compartment for user-friendly battery changes and comes with intuitive push buttons for fast on/off and brightness settings. The EFLX is compatible with CR2032 batteries and boasts a 25,000-hour battery life. An 12-hour auto shut-off feature helps to conserve battery life even further, ensuring that the EFLX will always be ready when needed. This model features a black finish and a 6 MOA dot. Included is a CR2032 battery and protective cover. Mounting hardware is included (2xM4 screws; torx wrench; adjustment tool).