The ROMEO1PRO brings a new level of durability and performance to the miniature open-reflex red dot sight. Its aircraft grade aluminum housing ensures corrosion resistance under the harshest environments, and a new upgraded point-source emitter provides increased brightness in day or night conditions with 12 brightness settings. Contact Us Phone:+1 https://gunandammunitionshop.com/product/sig-sauer-romeo1pro-1x30mm-6-moa-red-dot-sight/