Red and Green Reflex Sight with 4 Reticles Styles, Brightness Control with Picatinny Rail Mount (Latest Version) Excellent choice for rapid-firing and moving targets -Light weight water-resistant and shockproof features enhance your performance in all climate conditions -4 reticle patterns offer unlimited eye-relief and corrected parallax -Allen head screw type wind and elevation click adjustments with locking screw -Built-in picatinny mount base for easy sight remounting. By adjusting distances and focus as well as the brightness of lights Sight Features: - (A6061-T6) Aircraft-Grade Aluminum Body - Objective Lens 24x33mm (Field of View) - 4 Reticle Adjustable Tactical Holo Sight With Red/ Green Reticles - 10 Levels of brightness control - Picatinny Mounting System Weight - 3.8 oz.