Whether riding the slide of an optic-ready handgun or outfitting a rifle or shotgun with ultra-lightweight accessories, the Truglo TRU-TEC MICRO is here to help. The MICRO incorporates favorite features of the TRU-TEC line in an ultra-lightweight and versatile profile, including digital push-button brightness control and an idle auto-off system to save battery life. Features: 3MOA Reda Dot reticle for fast acquisition 23mm x 17mm multi-coated objective lens Digital push-button brightness controls Compatible with optic-ready pistols Common lug and bolt pattern for Maximum compatibility (Eotech, Docter, Insight, Meopta, etc.) Ultra-lightweight (just over 1oz. ) CNC-machined from aircraft-grade aluminum Auto-off feature preserves battery life Water-resistant (sealed o-ring design) Shock-resistant / fog-resistant ABS hardshell cover included