Feature A Balanced Precision Speed: 3 MOA Dot Supports Fast Target Acquisition and Accurate Shot Placement in Dynamic Shooting Situations A Distortion-Free Optical Clarity: Aspheric Lens Reduces Aberration Delivering Natural Image and Clear View Across Various Conditions A Ultra-Light Carry Comfort: Only 23g/0.81oz Lightweight Body w/ Standard Window Size Ideal for Pistols and Comfortable Daily Carry A Smart Power Efficiency: Bulit-In Motion Sensor Auto-Activates and Shuts Down to Reduce Battery Drain During Storage and Field Use A Broad Platform Compatibility: MGT Footprint Compatible w/ the RMSc/SMS Pattern, Fits Directly GLOCKA(R) 43X/48 MOS and CanikA(R) TP9 Specification See our Terminology Guide for detailed explanations of each specification. Magnification: N/A Window Lens Size: 17x21 mm / 0.67x0.83 in Parallax: Free (