The Meprolight 102203201 ML10220Y is a state-of-the-art, combat-proven, self-illuminated night sight that significantly enhances your targeting accuracy in low-light situations. Whether your target is stationary or in motion, these night sights make sure you never miss your mark.Featuring TRU-DOT technology, these models provide a superior handgun sighting system that enhances rapid instinctive aiming. This system requires absolutely no transition between day and night use, making it a seamless experience for the shooter.Regardless of the time of day, every shooter\'s aiming reference consists of three solid dots. These dots remain consistent in both appearance and location under all light conditions, ensuring optimal precision at all times.