Sig Sauer ROMEO3 MAX Reflex Sight 1x30mm 1 MOA Adjustments MOA Dot Black The Romeo3 MAX is a compact, open reflex sight featuring a 30mm wide, round lens design for superior field-of-view, a special red-notch filter for vivid red dot and unrivaled optical clarity, with a 3 or 6 MOA dot size for rapid target engagement, twelve illumination intensity levels, MOTAC activation, and up to 20,000 hours of runtime. Features: High transmittance red notch reflector for excellent brightness, light transmittance, and zero distortion 3 MOA and 6 MOA Dot with multiple intensity settings for rapid target engagement under a full range of lighting conditions MOTAC (Motion Activated Illumination System) powers up when it senses motion and powers down when it does not The readily available CR2032 battery is side-loading, allowing for quick battery replacement without having to remove the sight from the firearm Comes with a low-profile M1913 Picatinny mount. An absolute co-witness riser mount is also available as an accessory Aircraft grade CNC Aluminum housing ensures a lifetime of reliable service Dependable waterproof (IPX-7 rated for complete water immersion up to 1 meter) and fog proof performance SIG SAUER Electro-Optics Infinite Guarantee and SIG SAUER Electronic Component Limited 5-Year Warranty. Finish Matte Black Height 1.4 Inches Length 2.1 Inches Style Reflex Weight 1.5 Ounce Width 1.3 Inches Battery CR2032 Magnification 1 Adjustment Click Value 1 MOA Warranty Sig Sauer Electro Optics Infinite Guarantee Reticle 6 MOA Dot Battery Type CR2032 Reticle Color Red Housing Material Aluminum