The Shield Sights RMSsc is the company's smallest and most concealable red dot sight featuring a glass lens edition with 8 MOA reticle in an ultra-compact sleek design.Shield Sights RMS Sub Compact (RMSsc) Glass Edition8 MOA red light emitting diode (LED)Crystal clear glass lens with hard dip coatingParallax-free optics for accurate targetingNight vision compatible (lowest brightness setting)Standard Shield footprint for universal compatibilityDurable aluminum constructionNarrowest profile for maximum concealabilityPerfect for concealed carry applications backup sights or any situation requiring minimal profile optics without sacrificing performance and reliability.