The Sig Sauer ROMEO3 scope is a high-quality red dot reticle that is ideal for tactical engagements and hunting. Its boasts a durable aircraft grade CNC aluminum housing with 1x magnification and 30mm objective lens diameter. Its 6 MOA Dot with multiple intensity settings offers rapid target engagement under a full range of lighting conditions. It features a high transmittance red notch reflector for excellent brightness, light transmittance, and zero distortion. Dependable waterproof (IPX-7 rated for complete water immersion up to 1 meter) and fog proof performance. It is completely immersible in up to 1 meter of water with its IPX-7 rating. The MOTAC(TM) (Motion Activated Illumination) offers optimal operational safety and enhanced battery life by powering up when it senses motion and powering down when it does not. It comes in at a manageable 1.5 oz. and uses one side-loading CR2032 battery allowing for quick battery replacement without removing the sight from the firearm. This is an original Sig Sauer part featuring a rugged low-profile M1913 Picatinny mount. The Sig Sauer ROMEO3 Red Dot Reflex Sight is perfect for the shooter looking for a reliable, rugged and highly operational scope for all scenarios.Features: Manufactured by Sig Sauer 30mm objective lens diameter 1x magnification MOTAC(TM) (Motion Activated Illumination) IPX-7 rated for complete immersion up to 1 meter Fog-proof performance 6 MOA Red Dot reticle 1.0 MOA adjustment increments Length 54 mm Width 33 mm Height 35 mm Weighs 1.5 oz CR2032 batterySig Sauer is a world-renowned firearms manufacturer with a rich history of innovation and design leadership. No other firearms manufacturer is so highly regarded and so universally respected for the quality, reliability, and safety of its products. Since 1864 they have expanded their product line to include suppressors, optics, ammo, and airguns to provide customers with a greater range of firearms and equipment.