Red Dot Sight in Shadow Black Finish with 30mm Aluminum Tube & 25mm Objective Lens for faster target acquisition. Easy to see through 30mm diameter body tube and 5 MOA red dot put you on target fast. Lightweight aluminum body features the exclusive BSA Shadow Black finish that’s highly durable and maintenance free. Coated optics, 11-position rheostat, precision diode and reflective mirror provide a bright red aiming dot in all light conditions. Includes integral, easy-to-install dovetail clamp with dual thumbscrews that fit both 11mm and 3/8” dovetails found on most air powered and rim fire rifles and pistols. Kit includes one 3v, CR2032 lithium battery, full instructions and limited one-year warranty. Aluminum housing, black finish, 4” long. Cannot be installed on RWS air rifles or other makes of air rifles equipped with barrel droop sighting. This is a wonderful light weight sight for all types of shooting, especially close in. The perfect sight for pistols, and ideal for mounting on shot guns when hunting turkeys. Bow hunters have even discovered it. A small bright red dot (4 MOA) appears in the center. You adjust the brightness of the dot. They come in BSA's Shadow Black rubber coating, silver or matte black anodized finish. Choose either a push-button control, or 11-position click rheostat.