The Shield Mini Sight Compact (SMSc) Glass Edition is an ultra-compact reflex sight featuring an 8 MOA dot reticle and scratch-resistant ultra clear glass lens for enhanced durability and optical clarity.Shield SMSc Glass Edition Reflex Sight8 MOA dot reticle for fast target acquisitionScratch-resistant ultra clear glass lens with upgraded electronicsLow-profile design allows co-witnessing with standard iron sightsNylon glass filled polymer constructionParallax free opticsCompatible with night vision devicesCR2032 battery poweredCompact dimensions: 1.7 x 0.9 x 0.9 inchesDesigned specifically for everyday carry and single-stack pistols this sight provides shooters with a single point of focus while maintaining compatibility with existing iron sights for a seamless shooting experience.