Cyelee Optics CAT SRS6 PRO Reflex Red Dot Sight 1x21x16.5mm 6 MOA Dot Black. Full Power. The Cyelee CAT SRS6 PRO is a micro red dot built for subcompact pistols. It is tough clear and fast to use. It features the STIG-RS (Astigmatism Relief System) reticle made specifically for users with astigmatism. Feedback is clear: many see the benefits of using Cyelee STIG-RS LED emitters. Additionally its larger 6MOA circle allows for lower brightness settings without harming reticle acquisition time. Made for daily carry and duty use the CAT SRS6 PRO fits slides and plates using the Shield RMSc or 407k/507k footprint ensuring easy setup with many popular pistols. It also has Motion Deactivated Standby; it sleeps after four minutes of no motion and wakes instantly when moved. With a waterproof housing sealed electronics and a Super LED for up to 50000 hours of power this optic delivers simple trustworthy performance. Specifications for Cyelee Optics CAT SRS6 PRO 1x21x16.5mm Reflex Red Dot Sight: Manufacturer: Cyelee Optics Color: Black Fabric/Material: 7075-T6 Aluminum Magnification: 1 x Objective Window Size: 21x16.5 mm Reticle: 6 MOA Dot Illumination Type: LED Illumination Color: Red Brightness Settings: 11 Eye Relief: Unlimited Adjustment Click Value: 1 MOA Emitter Type: Open Parallax: Parallax Free Battery Type: Lithium Metal CR1632 Battery Life: Up to 50000 hours Water Resistance Level: IPX-7 Weight: 30 g Package Type: Box Red Dot Sights-Footprint: RMSc Lens Type: Multi Coated Gun Type: Pistol Package Contents: Cyelee Optics CAT SRS6 PRO 1x21x16.5mm Reflex Red Dot Sight Cyelee Optics X004OOZL3Z: CAT SRS6 PRO Reflex Red Dot Sight 1x21x16.5mm 6 MOA Dot Black