Simple 3 MOA illuminated red dot for quick target acquistion and a multi-coated lens for excellent clarity and visibility. Flexible brightness for any lighting scenario; 11 brightness settings are easily controlled with a convenient push-button switch. Adjustable for windage and elevation; 1 MOA click value. Tough aluminum and hardened glass construction; Water resistant and fog proof. Includes a dust cover, battery, and cleaning cloth; 30,000 hours of battery life (on lowest brightness setting); Fits RMR-compatible mounts.