Chosen by elite government and military agencies, the ROMEO4T is the ultimate red-dot sight when fact, accurate target acquisition is a must. Regardless of lighting conditions, weather conditions, or terraint. Whether it's a moving target, dangerous game at full charge, or a fast-breaking tactical situation at close quarters, the rugged ROMEO4T Red-Dot sight can handle the job. User selectable reticles (2 MOA Dot, Dot with Holds, CircleDot, CircleDot with Holds) Fully ruggedized and impact resistant for the toughest environments Runtime in exess of 100,000 hours with solar and battery usage True Co-Witness QR mount and low mount included waterproof and Mfg: Sig Sauer, Inc.