Detail: The diameter: íí40mm Dot size: íí8 m.O.A* Length: íí5.8 inches Weight: íí6.8ounces Magnification: íínone(1x) Eye reliefú¦ ííunlimited Fielg of view: íí70 feet at 100 yards(optimum) Click adjustment: íí0.75 m.O.A* Power: íí2032 3v lithium *m.O.A. Stands for minute of angle 1m.O.A. Covers 1 inch at 100 yards In bulk