ZeroTech Optics The Thrive RMR FootPrint Red Dot Sight w/ Low Mount 1x20mm 3 MOA Black. With brightness settings and a super crisp the Thrive Red Dot will not disappoint. Capped windage and elevation turrets feature an integral key for turret adjustments eliminating the need to carry tools. Universal footprint allows users to choose from a wide variety of mounting options including quick detach bases. Equally at home on top of a bolt action rifle as it is on AR style rifles. Rugged construction designed to withstand the recoil of even the most brutal cartridges. 11 illumination settings enable the shooter to select a brightness level for any situation. Red dot is fully daytime visible. Specifications for ZeroTech Optics The Thrive HD RMR FootPrint 1x20mm 3 MOA Red Dot Red Dot Sight: Manufacturer: ZeroTech Optics Reticle: 3 MOA Red Dot Emitter Type: Open Battery Life: 50000 hours Operating Temperature: -70 - -20 Celsius Condition: New Lens Finish: Multi Coated Red Dot Sights-Footprint: RMR Package Contents: ZeroTech Optics The Thrive HD RMR FootPrint Red Dot Sight ZeroTech Optics THDRS28L: The Thrive RMR FootPrint Red Dot Sight w/ Low Mount 3 MOA Black