Product OverviewThe Trijicon Tritium Night Sight for Walther P99 provides exceptional performance in low-light environments. Designed for faster target acquisition, this sight features a reliable 3-dot configuration that is both intuitive and effective. Constructed to withstand the rigors of use, Trijicon's night sights are trusted by law enforcement and competitive shooters alike.Key FeaturesTritium Illumination: Utilizes tritium gas for a bright, self-luminous sight picture in darkness.3-Dot Style: Features an easy-to-use 3-dot sight configuration for quick target alignment.