Red Green Dot Tactical Sight Holographic Relex Scope 4 Reticle 21mm Quick Mount

Features Quick release for easy and quick installation Parallax corrected and unlimited eye relief Durable all metal construction Windage and elevation adjustable (tools included) Red and green reticles with four patterns Adjustable reticle brightness Lightweight, weatherproof, and shockproof Integrated mount for standard Picatinny rails   Specifications Dimensions: 3" (length) x 1.25" (width) x 2" (height) Weight: 5oz Field of View: Unlimited Reticle Type: Circle dot, cross, 10 MOA, and 3 MOA  Color: Black Power: Three (3) AG3 lithium batteries   Items Included One (1) holographic scope Three (3) AG3 batteries Two (2) hex wrenches One (1) cleaning cloth One (1) storage box