The ROMEO4H is designed for modern semi-automatic pistols, MSR platforms and shotguns. Features Green Horse Shoe Ballistic Reticle. Comes standard with solid and see-through lens covers and quick release mount, unlimited eye relief to acquire aiming point and target, regardless of eye position behind sight. MOTAC (Motion Activated Illumination) powers up or down when sensing motion. Uses an ultra-efficient red LED illumination for daylight visibility and extended runtime. Includes true co-witness QR mount and low mount.