Ultra Dot Ultradot 4 Features The Ultradot 4 is built around a 25mm 1 inch diameter tube that offers an unlimited field of view letting the shooter maintain full situational awareness while aiming. Four selectable dot sizes 2 4 8 and 10 MOA let the shooter choose a finer dot for precision work or a larger dot for fast target acquisition all from a single optic. Eleven brightness settings give the user fine control over dot intensity across a wide range of lighting conditions from bright daylight to dim indoor ranges. The sight is parallax free at 55 yards helping maintain point of aim accuracy consistency at typical shooting distances. At 148mm or 5.83 inches in length and weighing 138 grams or 4.87 ounces the Ultradot 4 is compact enough to mount on a variety of host platforms without adding excessive bulk. Windage and elevation adjust at 1 MOA per click giving precise zeroing control with a maximum reticle movement of plus or minus 23 feet. Powered by a widely available 3 volt CR2032 battery the sight is easy to keep running without hunting for a specialty power source. The complete package including mounting rings lens covers a tube extension hex wrench and polarizing filter means this black matte finished optic is ready to mount and shoot right out of the box available for sale at GrabAGun. Ultra Dot Ultradot 4 Specifications Manufacturer: Ultra Dot Model: Ultradot 4 Tube Diameter: 25mm (1 inch) Dot Size: 2 4 8 and 10 MOA Reticle: Red Dot Field of View: Unlimited Length: 5.83 Width: 55mm Weight: 4.87 oz Power Source: CR2032 Battery Brightness Settings: 11 Settings Parallax Setting: Parallax Free at 55 Yards Elevation Adjustment: 1 MOA Per Click Color: Black Mounting: 1 Rings Included Click Value: 1 MOA Available At: GrabAGun