Product Features Quick Aim Electronic Dot Sight with Red/Green Dual Illumination 38mm Tube with Best in Class Emerald Lens Coating for Maximum Brightness and Clarity Consistent and Precise Coin-adjustable W/E Knobs with 1/2 MOA per Click Increments Clear and Sharp 4.0 MOA Dot Optimal Brightness Settings for Variable Shooting Environment Great Field of View and Unlimited Eye Relief Includes Integral Picatinny Mounting Deck and Flip-open Lens Caps Product Specifications Warranty: Lifetime No. of Pieces: 1 Materials: Aluminum Quick-detachable: No Parts Included: Cleaning Cloth, CR2032 3V High Energy Lithium Battery, Flip-open Lens Caps Reticle: Single Dot Reticle Color: Red and Green Illumination Toggle Type: Analog Brightness Settings: 5 Brightness Mode(s): Manual Battery Type: CR2032 Battery Loading: Top Loading Click Value: 1/2 MOA Magnification: 1 Linear FOV @ 100 yds: 95 Parallax: Infinity Exit Pupil: 22 Eye Relief: Infinity Weight: 9.4