TRUGLO DUAL-COLOR 30mm Tactical Dot Sight 30mm multi-coated objective lens with DETACHABLE, EXTENDED SUNSHADE eliminates glare from the front lens and enhances clarity and contrast; Unlimited eye relief LIGHTWEIGHT AND ULTRA-DURABLE CNC-machined aircraft-grade aluminum design; Shock-resistant, water-resistant, and fog-proof RHEOSTAT CONTROLLED BRIGHTNESS and a 3-MOA center-dot reticle with 2 CHOICES OF RETICLE COLOR provides contrast against any target (red or green) INTEGRATED WEAVER-STYLE MOUNTING SYSTEM for easy rail mounting INCLUDED FLIP-UP LENS CAPS; Integrated lanyard system prevents loss of screw-down windage and elevation caps