Equip your compact or subcompact pistol with an ultracompact open reflex sight built for instantaneous aiming. Crimson Trace CT RAD (Rapid Aiming Dot) Micro Pro Sight features a recessed and fully multicoated lens and large quick acquisition window. CT RADIANT ambient light sensor automatically adjusts the aiming dot's brightness to the surrounding lighting condition. CT MOTION sensor detects movement of the firearm and automatically powers on the reflex sight. The sight automatically powers off after 2 minutes of zero movement. You can easily install the unit to an optics cut slide using the CT micro footprint; also compatible with Shield RMS and JPoint footprints. Rear sight notch cut into the back lines up with your front iron sight. Crafted of 7075 series aluminum, the rugged sight has an innovative top strap to deflect force during a drop. Crimson Trace CT RAD Micro Pro Sight comes with CT adjustment tool, mounting hardware, and sight cover. Included CR1632 battery powers the sight for up to 20,000 hours of run time. Adjustable for windage and elevation. Mfrs. lifetime warranty. Ultracompact open reflex sight CT RADIANT ambient light sensor CT MOTION sensor Recessed and fully multicoated lens Large quick acquisition window 7075 series aluminum CT adjustment tool, mounting hardware and sight cover