Multi-Purpose Sighting System technology offers four selectable red-dot reticles in one compact, lightweight sight for maximum versatility. Turn the selector knob to choose a 3-MOA reticle, a crosshair, a 10-MOA dot reticle or a 65-MOA circle with a 3-MOA dot. Perfect for pistols and shotguns, it has a panoramic lens with 1X magnification for a wide field of view. Built-in weaver-style mount for fast, easy attachment. Seven-position rheostat brightness adjustment. 1/2-click MOA elevation adjustment. Runs on a 3-volt lithium battery (included). Rubber lens cover included. Imported.