Multi use scope 42mm X2 has a 5 MOA reticle designed for quick acquisition and includes 2.5 MOA reticle as well. Gives you unlimited eye relief with a wide field of view, with integrated weaver style mounting system. The flip-up lens caps keep scope free of dust. Lightweight and easy to mount. Battery included is 3V CR2032. Ideal for shotguns, handguns, rifles, muzzleloaders, airsoft guns, and crossbows.