The Meprolight 102243391 is a self-illuminated night sight that boasts of combat-proven reliability. Its primary function is to aid users in accurately hitting both stationary and moving targets in low-light conditions, thereby enhancing the hit probability significantly. Featuring the TRU-DOT models, this Meprolight product assures a superior handgun sighting system which amplifies rapid instinctive aiming. This feature requires no transition from daytime to night usage. Whether day or night, the shooter\'s aiming reference always remains three solid dots - consistent in both appearance and location under varying light conditions.