"Full Description:\nThe 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. The molded glass aspheric lens has upgraded high-performance coatings for superior light transmittance and zero distortion giving you fast, responsive target acquisition and accuracy. The ROMEO1PRO includes a ruggedized protective shroud in the box for extreme durability. Compatible with: Fits all SIG SAUER pistols with the PRO RX footprint. It will not fit true Delta Point PRO footprints slides and mounts. This product is NOT compatible with slides cut to accept a standard ROMEO1. The ROMEO1PRO is NOT rated for 10mm, for 10mm rated red dots click here. - M17 - M18 - P320-M17 - P320 XFive Legion - P320 XCompact - P320 XFull - All PRO-CUT Slides - P320 Pro Series \n\nFeatures:\n\u003cul>\n\u003cli>Ruggedized protective steel shroud included for extreme durability\u003c/li>\n\u003cli>New point-source emitter provides exceptional brightness with 12 settings (10 Daytime/2 NV), and 20,000+ hours of runtime\u003c/li>\n\u003cli>TruHold™ Lockless Zeroing System that utilizes twin adjustment springs designed to endure handgun recoil and return to zero shot after shot\u003c/li>\n\u003cli>3 or 6 MOA red dot with multiple brightness settings for rapid target engagement under a full range of lighting conditions\u003c/li>\n\u003cli>Easy access to the battery compartment\u003c/li>\n\u003cli>Dependable waterproof (IPX-7 rated for complete water immersion up to 1 meter) and fogproof performance\u003c/li>\n\u003cli>Aircraft-grade CNC Aluminum housing ensures a lifetime of reliable service\u003c/li>\n\u003cli>Molded glass aspheric lens with high performance coatings for superior light transmittance and zero distortion\u003c/li>\n\u003cli>MOTAC™ (Motion Activated Illumination System) that powers up when it senses motion and powers down when it does not\u003c/li>\n\u003c/ul>\n\nSpecifications:\n\u003cul>\n\u003cli>Style#: SOR1P101\u003c/li>\n\u003cli>Reticle 6 MOA\u003c/li>\n\u003cli>Adjustment 1.0 MOA\u003c/li>\n\u003cli>Illumination Settings: 10 Daytime/2 NV\u003c/li>\n\u003cli>RX Footprint: PRO (DeltaPoint Pro)\u003c/li>\n\u003cli>Battery: (1) CR1632\u003c/li>\n\u003cli>Overall Length: 46.5 mm\u003c/li>\n\u003cli>Overall Width: 31.7 mm\u003c/li>\n\u003cli>Height: 27.4 mm\u003c/li>\n\u003cli>Weight: 1.0 oz\u003c/li>\n\u003cli>Total Elevation Travel: 100 MOA\u003c/li>\n\u003cli>Magnification: 1x\u003c/li>\n\u003c/ul>\n"