Tru-Tec Micro is a sub-compact open red dot sight. 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, digital push-button brightness controls, 10 brightness settings, unlimited eye relief, locking windage and elevation adjustments. *RMR compatible. Includes Picatinny/Weaver style rail mount.