Rugged dependability meets streamlined design with the all-new ROMEO-X Enclosed pistol red dot from SIG SAUER. Leveraging SIGs experience developing durable red-dot technologies trusted by armed forces around the world, the ROMEO-X Enclosed optimizes strength and reliability for the concealed environment. Featuring a robust CNC 7075 aluminum housing and aspherical glass lens system built around a high-efficiency point source emitter, the ROMEO-X Enclosed creates a rock-solid, distortion free, aiming solution for the most demanding shooters and circumstances. Equipped with a side-mounted battery compartment and SIG SAUERs patent-pending beryllium copper flexure system, the ROMEO-X Encloseds ultra-low deck height allows for effortless co-witness with standard height irons and is available in both Pro and Compact standardized footprints. Building up SIG SAUERs DNA of trusted military innovation, the ROMEO-X Enclosed delivers streamlined dependability without compromise. ROMEO-X Enclosed. Where X marks the dot. Specifications for Sig Sauer Romeo-X 1x Reflex Sight: Manufacturer: SIG SAUER Magnification: 1 x Features of Sig Sauer Romeo-X 1x Reflex Sight Inspired by MIL-SPEC ROMEO-M17 Rugged 7075 aluminum housing with a fully enclosed and sealed optical system. Patent-Pending Beyllium Copper Flexure Arm. Distortion free aspherical lens. MOTAC (Motion Activated Illumination) Avialble Reticles: 3 MOA Red Dot, 6 MOA Red Dot or Circle Dot. Low deck height for standard-height iron sight co-witness. 20,000 hour battery life with side load battery. 15 illumination settings including 3 night vision. Package Contents: Sig Sauer Romeo-X 1x Reflex Sight