Whether riding the slide of an optic-ready handgun or outfitting a rifle or shotgun with ultra-lightweight accessories, the new 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. 3 MOA Red-Dot reticle for fast acquisition 23mm x 17mm multicoated objective lens Digital push-button brightness controls 10 brightness settings Compatible with optic-ready pistols Common lug and bolt pattern for Maximum compatibility (Eotech, Docter, Insight, Meopta, etc.) Locking windage and elevation adjustments Ultra-lightweight (just over 1oz. ) CNC-machined from aircraft-grade aluminum Unlimited eye relief Auto-off feature preserves battery life Water resistant (sealed o?ring design) Shock resistant / fog?resistant Picatinny rail mount included ABS hardshell cover included TG8200B RMR mount is compatible with Trijicon RMR mounting systems and factory slide cuts Battery included (3V-CR2032)