CVLIFE 1x22x33 Reflex Sight Red and Green 4 Reticle Dot Sight with 2mW Gun Sight Laser Material: high strength aluminum; Obj. aperture: 33mm; Magnification:1x; Power of the gun sight laser:2mW; Class of the laser: ClassIIIA Special 2 in 1 design: Built with the red sight laser and dual illuminated reflex sight with four reticle types, it will help you aim and shoot accurately Tubeless design with 33mm reflex lens aperture provides a wide field of view, suitable for rapid-firing or shooting of moving targets besides normal shooting Coming with the switch button and the pressure pad switch, you can choose one of them towards different situation to operate the laser more easily This laser dot reflex sight scope fits standard 20mm weaver and Picatinny rails