SIG SAUER Romeo-Rs Compact 1x24mm Reflex Red Dot Sight 2 MOA Dot 32 MOA Circle Clear. Inspired by the design of modern striker-fired pistols that employ high-strength polymer and metal the ROMEO-RS housing forms around a rugged steel chassis that supports and protects a premium aspherical glass lens. Featuring a convenient side-mounted illumination adjustment button embedded into the polymer housing to prevent accidental interference; side-load battery tray; MOTAC (Motion Activated Illumination) that powers up when motion is detected powering down when inactive; updated footprint design maintains true compatibility with industry-standard optics cuts while allowing for the additional lock-up strength provided by steel recoil pins to eliminate the potential for any lateral shift. Specifications for SIG SAUER Romeo-Rs Compact 1x24mm Reflex Red Dot Sight: Manufacturer: SIG SAUER Magnification: 1 x Objective Lens Diameter: 24 mm Illumination Type: LED Brightness Settings: 8 Eye Relief: Unlimited Emitter Type: Open Lens Material: Molded Glass Optical Coating: Spectracoat Battery Type: CR1632 Battery Life: 20000 hours Length: 1.61 in Width: 1.12 in Weight: 21.4 oz Condition Quality: Excellent Red Dot Sights-Footprint: RMSc Lens Type: Aspherical Features of SIG SAUER Romeo-RS Compact 1x24mm Reflex Red Dot Sight Hybrid design featuring a skeletonized steel chassis molded into a high-strength polymer housing Premium molded glass ashperic lens for a distortion-free sight picture High efficiency point source LED emitter with 8 individual brightness settings Large side control button for easy reticle adjustments Convenient side-mounted CR1632 battery tray with security screw for easy access without removing the optic from the firearm Minimum continuous runtime of 20000 hours (at medium setting dot-only) MOTAC (Motion Activated Illumination) that powers up when motion is detected powering down when inactive Fully Backed by SIG SAUERs Infinite Guarantee Package Contents: SIG SAUER Romeo-RS Compact 1x24mm Reflex Red Dot Sight SIG SAUER Infinite Guarantee SIG SAUER SOR02101: Romeo-Rs Compact 1x24mm Reflex Red Dot Sight 2 MOA Dot 32 MOA Circle Clear