Up to 600 meter 5.56/.223 Red illuminated (at day light only) Chevron reticle. Powered by fiber source, providing more bright environment and reticle illumination at day. There is no on/off switch on a red dot, but due to light sensor Adjustable windage and elevation Multi-coated front lens. Easily installed on any 20 mm Picatinny rail. Detail: Magnification: 1x / 4x Objective lens diameter: 32mm Bullet Drop Compensator: yes Scope length: 5.80 inches Combined Weight: 460g Illumination Source: Fiber Optics Reticle Pattern: Chevron(Arrow) Day Reticle Color: Red(for red fiber version) or Green (for green fiber version) Night Reticle Color: black Eye Relief: 1.5"(38mm) Exit Pupil: 6mm Field of View(Degree): 6°15' Field of View@100 yards(ft): 36.8 Windage & Elevation adjusters: 1/2 in Display Resolution: 5.7 Housing Material: Aluminum