CT MOTION Sensor – Detects movement of the firearm and automatically turns the reflex sight on. Sight powers off after 2 minutes of being stationary. CT RADIANT ambient light sensor – The ambient light sensor automatically adjusts the aiming dot's brightness to the surrounding lighting condition. CT micro Mounting Pattern – Fits most compact handguns and is compatible with Shield RMSand JPoint footprints. Integrated rear sight cut into the base of the CT RAD micro for use with front iron sight – Recessed optic lens for increased durability. Adjustable windage and elevation – aerospace aluminum construction – IPX4 water resistant – Rubber sight c Mfg: Crimson Trace Corporation