Sig Sauer SOR52001 Romeo5 1x20mm Compact 2 Moa Red Dot Sight, Black 100% Other Fibers Made in the USA or Imported 2 MOA Red-Dot provides 10 illumination settings (8 daylight plus 2 NV) for visibility in all light conditions MOTAC (Motion Activated Illumination) powers up when it senses motion and powers down when it does not. Provides for optimum operational safety and enhanced 40,000+ hour battery life Integrated M1913 Picatinny interface provides industry-standard mounting options for a wide range of applications Dependable waterproof (IPX-7 rated for complete water immersion up to 1 meter) and fog-proof performance Includes a M1913 Picatinny low mount riser and a co-witness 1.41in riser mount