Illuminates a red 4 MOA reticle dot sight. Widely adaptable to temperatures that range from -22 to 122 degrees Fahrenheit. Powered by one AA battery. Adjustable digital brightness settings and night vision modes. Aluminum rubber material frame and scratch resistant lens coating. Product has an IP67 waterproof rating and its fog proof for a great value. Scope can be mounted onto weaver/picatinny rails. Constructed to specifically fit onto shotguns and rifles with short barrels.Specifications: Construction 6061-T6 Aluminum, Rubber Frame / Anti-Scratch Glass LensWeight 0.6 lbsMagnification 1X Battery Type AA MOA Adjustment 1 MOA Objective Lens Diameter 23mm Eye Relief Unlimited Reticle Type 4 MOA Dot Reticle Color Red Dimensions 3.3L x 2.8W x 2.4H inches 1X Red Dot Sight