ROMEO-X Enclosed. Where X marks the dot. Rugged dependability meets streamlined design with the all-new ROMEO-X Enclosed pistol red dot from SIG SAUER. Leveraging SIG s 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 SAUER s patent-pending beryllium copper flexure system, the ROMEO-X Enclosed s 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 SAUER s DNA of trusted military innovation, the ROMEO-X Enclosed delivers streamlined dependability without compromise. Features 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. Assembled in U.S.A. Specifications RX Footprint: COMPACT (Shield RMS-c) Waterproofing: IPX-7 Height: 0.94 in (23.88 mm) Clear Aperture: 24 mm Overall Length: 1.62 in (41.15 mm) Overall Width: 1.23 in (31.24 mm) Battery: (1) CR1632 Emitter: Enclosed Weight: 1.1 oz (31.19 g) Illumination Settings: 15 (12 Day / 3 NV) Total Elevation Travel: 65 MOA Total Windage Travel: 70 MOA Run Time: 20,000 hrs