Ultradot 25mm Red Dot Gun Sight Silver 1in. This Red Dot Gun Sight from the professional product experts at Ultradot has click adjustable brightness control so you can easily adapt to any lighting condition. The Ultra-Dot Red Dot 25mm Weapon Sight comes complete with a battery rubber eyepiece polarizing filter tube extension mounting rings and hex wrenches providing you with all the tools you need to get started right away. Specifications for Ultradot 25mm Red Dot Sight 4 MOA: Manufacturer: Ultradot Magnification: 1 x Objective Lens Diameter: 25 mm Reticle: 4 MOA Red Dot Illumination Type: LED Illumination Color: Red Brightness Settings: 11 Adjustment Type: MOA Adjustment Click Value: 1 MOA Emitter Type: Enclosed Battery Type: CR2032 Battery Quantity: 1 Battery Life: 20 - 4000 hours Length: 128 mm Width: 50 mm Weight: 3.9 oz Condition: New Magnification Type: Fixed Quantity: 1 Tube Diameter: 25 mm Red Dot Sights-Footprint: Not Applicable Mount Type: Picatinny Attachment Type: Picatinny Features of Ultradot 25mm Red Dot Sight 4 MOA: Compact Lightweight Streamlined Sight Click Adjustable Brightness Control Package Contents: Ultradot 25mm Red Dot Sight 4 MOA Battery Rubber eyepiece Polarizing filter Tube extension Mounting rings Hex wrenches Ultradot UD25S: 25mm Red Dot Gun Sight Silver 1"