The ZONE (ZRD1) is a compact, lightweight, and durable closed frame red dot sight designed for unparalleled reliability and rapid target acquisition. The tapered tube design allows for an increased field of view and a smaller overall profile. Suitable for all weather and different light conditions with 11 brightness settings. New LED technology provides extremely low battery consumption. The 2 MOA center dot allows users to quickly acquire their target while simultaneously providing precise accuracy at an extended range. It has a tapered tube effect for faster target acquisition. The 1.45 inch height cowitness mount provides universality to any platform. The ZRD1 has a low power OLED display that allows for extended battery life.