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. 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.FeaturesMolded glass aspheric lens with high-performance coatings for superior light transmittance and zero distortion3 MOA red dot with multiple brightness settings for rapid target engagement under a full range of lighting conditionsTruHold Lockless Zeroing System that utilizes twin adjustment springs designed to endure handgun recoil and return to zero shot after shotNew point-source emitter provides exceptional brightness with 12 settings (10 Daytime/2 NV), and 20,000 hours of runtimeMOTAC (Motion Activated Illumination System) that powers up when it senses motion and powers down when it does notAircraft grade CNC Aluminum housing ensures a lifetime of reliable serviceDependable waterproof (IPX-7 rated for complete water immersion up to 1 meter) and fog proof performanceRuggedized protective steel shroud included for extreme durabilityEasy access battery compartmentSIG SAUER Electro-Optics Infinite Guarantee and SIG SAUER Electronic Component Limited 5-Year Warranty provided through MD Charlton (click here for details)SpecificationsPlease note, the ROMEO 1 PRO is not compatible with slides cut to accept a standard ROMEO1Dot: 3-MOAAdjustments: 1.0 MOA Increments, 100 MOA total adjustment range for windage and elevationMagnification: 1xEye Relief: InfiniteObjective Lens: 30mmOverall Length: 46.5mmOverall Width: 31.7mmHeight: 27.4mmWeight: 1.0 ozWaterpoofing: IPX 7Illumination: 10 Daytime Illumination Levels, 2 Nightvision LevelsRun Time: 20,000