With almost limitless applications, the DeltaPoint Reflex Sight is in its element on a shotgun, when plinking or in competitive shooting, and it's an ideal home defense optic. Intuitive operation with precision red dot ease and accuracy keeps even novice shooters right on the mark. Handguns to shotguns to AR variants, the agile Leupold DeltaPoint is never out of its comfort zone. Product Details 1.0 x 0.75" Aspherical Sight Window Red 2.5 MOA Dot Reticle DiamondCoat Lens Coating System for Scratch Resistance 1 MOA/Click Impact Point Correction 120 MOA Windage/Elevation Adjustment Automatic Brightness and Sleep-Modes Lightweight and Durable Magnesium Body Submersible to 66 feet Low-Battery Indicator Runs on One Included CR2032 Battery Product Specifications Magnification: 1.0x Sight Window: 25.mm x 17.5mm; 1.01 inches x .68 inches Elevation adjustment range: 60 MOA Windage adjustment range: 60 MOA 40 MOA per revolution of adjustment (1 MOA per click) Subtension of the aiming point: 2.5 MOA Dot, 7.5 MOA inscribed Delta Operating Temperature Range: -20 :F to +120 : Storage Temperature Range: -40 :F to +160 Power Supply: 3V with one CR 2032 Lithium Battery Dimensions: 1.82"L x 1.31" W x 1.30" H Weight (with battery installed): 1.9oz (53.8g)