ULTRADOT 4 BLK Back by popular demand with a twist! The latest generation of the Ultradot 4 provides the most popular dot sizes 2,4,8 and 10. Being a 25mm (1") tube provides quick acquisition of your target without the distraction of your neighbor's targets on the line. Available in black matte finish with the following accessories: Mounting Rings, Bungee Lens Covers, Tube Extension, Hex Wrench, Polarizing Filter and Battery. Ultradot 4 Technical Specifications Tube Diameter: 25mm (1 inch) Field of View: Unlimited Dot Size: 2, 4, 8, and 10 MOA Length: 148mm (5.83 Inches) Battery: 3v Lithium CR2032 Battery Life: User dependent Weight: 138g (4.87oz) Width: 55mm W/A Elevation: 1 MOA per Click Max Reticle Movement: + or -23 Feet Center Housing Length: 57mm