1 MOA. Waterproof. 3 MOA green dot. 20mm objective lens. RMR Mounting Footprint and Picatinny mount included. User adjustable push-button brightness. Unlimited eye relief and true parallax free. Absolute co-witness for backup iron sights when using riser mount. Can be used on a variety of rifles, pistols, and shotguns. 7 visible and 1 night vision brightness. Aluminum construction. Color: Black. Boxed.