Crimson Trace RAD Micro Matte Black 1x 3 MOA Red Dot Reticle Compact/Sub-Compact Pistol CT Radiant Sensor, CT Micro Footprint The RAD (Rapid Aiming Dot) Micro and Micro Pro Electronic Sights are ultra compact Open Reflex Sights for compact and sub compact pistols. Featuring a 3 MOA round aiming dot, the RAD Micro will elevate your pistol's performance instantly. Easily user-installed by utilizing an industry standard mounting interface, they boast a high efficiency LED for years of use. Run time 20,000 hrs. CT Radiant Sensor. Includes CR1632 battery, CT adjustment tool, mounting hardware and sight cover.