High quality aircraft-grade aluminum construction 2 levels of dot intensity Quickly attaches to most 20mm rail segments Green / red reticles CQB to mid range targeting capabilities Windage and elevation adjustable Lightweight tactical design Lens protectors included In the Box Element Red Dot Sight Optic mount protective lens cover cleaning cloth Allen wrench Specifications: Length 5 in.Width 2.5 in.Weight 10.9 ozObjective Lens 30 mmClick Value 1 MOAReticle Red / Green DotLens Coating AmberColor Black California Proposition 65 Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov