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. Features: 3 MOA red dot reticle for fast acquisition 23mm x 17mm multi coated objective lens Digital push - button brightness controls 10 brightness settings Compatible with optic - ready pistols Common lug and bolt pattern Maximum compatibility (Eotech, Docter, Insight, Meopta, etc.) Locking windage and elevation adjustments Ultra - lightweight (just over 1 oz) 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 (3 V CR2032)