This parallax-free 1x reflex red dot sight is equipped with a 22mm objective lens and unlimited eye relief, adopts red & green dual illuminated reticle with independent control buttons, each color comes with multiple adjustable brightness grades to deliver clear dot visibility under blazing sunlight or dim dusk environments. The all-metal shockproof housing locks zero firmly against heavy recoil and rough outdoor vibration. Integrated high-profile 20mm Picatinny mount offers stable installation without extra adapters, keeping compact weight and minimal bulk on your gear.