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. ROMEO-X Enclosed. Where X marks the dot. Specifications for SIG SAUER ROMEO-X PRO Enclosed 1x24mm Reflex Red Dot Sight: Manufacturer: SIG SAUER Color: Black Fabric/Material: CNC Machined 7075 Aluminum Magnification: 1 x Objective Lens Diameter: 24 mm Illumination Type: LED Illumination Color: Red Adjustment Click Value: 1 MOA Emitter Type: Enclosed Battery Type: CR1632 Battery Quantity: 1 Battery Life: 20000 hours Water Resistance Level: IPX-7 Length: 1.83 in Width: 1.23 in Height: 0.94 in Weight: 1.2 oz Condition: New Quantity: 1 Red Dot Sights-Footprint: Deltapoint Pro Features of SIG SAUER ROMEO-X PRO Enclosed 1x24mm Reflex Red Dot 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 PRO Enclosed 1x24mm Reflex Red Dot Sight