Improve your weapon performance at the range or in the backcountry by installing this Sig Romeo3MAX 1x30mm Red Dot Sight. SIG SAUER machined these Red Dot Sights from aircraft grade aluminum and built them tough with both waterproof and fogproof protection for maximum performance even in adverse weather conditions. Every Sig Romeo3MAX 1x30 MOA Red Dot Sight conserves battery life through the (MOTAC) Motion Activated Illumination System) that only powers the device when in motion and shuts it off when not in use. While powered, you can choose between 12 different illumination settings and get up to an impressive 20, 000 hours of runtime in the field. Trust the Sig Romeo3MAX 1x30 Open Reflex Sight for all of your close-quarters sighting needs. Specifications for SIG SAUER Romeo3 MAX 1x30mm Red Dot Sight: Manufacturer: SIG SAUER Color: Black Fabric/Material: Aircraft Grade Aluminum Magnification: 1 x Objective Lens Diameter: 30 mm Objective Window Size: 30 x 24 mm Illumination Type: LED Illumination Color: Red Brightness Settings: 12 Eye Relief: Unlimited Adjustment Type: MOA Adjustment Click Value: 1 MOA Emitter Type: Open Battery Type: CR2032 Battery Life: 20000 hours Water Resistance Level: IPX-7 Gun Make: SIG Sauer Gun Model: SIG Sauer Pro Length: 2.1 in Width: 1.3 in Height: 1.4 in Weight: 0.09 lb Condition: New Magnification Type: Fixed Red Dot Sights-Footprint: Not Applicable Mount Type: Picatinny Attachment Type: Picatinny Features of Sig Romeo3MAX 1x30mm Red Dot Sight 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 fogproof performance Package Contents: Sig Romeo3MAX 1x30mm Red Dot Sight