*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 for maximum compatibility*Ultra-lightweight (just over 1 oz.), CNC-machined from aircraft-grade aluminumWhether riding the slide of an optic-ready gun 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.