The Sig Sauer Romeo4T Tactical 1x20mm Red Dot Sight is the preferred choice of many elite military and governmental agencies, so you know it is a great option for rapid target acquisition in any terrain or light levels. These Red Dot Sights have typical SIG SAUER ruggedness and resistance to impact to keep on working through heavy recoil and tactical use. Designed for modern semi-automatic pistols, MSR platforms and shotguns, the Sig Sauer Romeo4T Tactical Red Dot lets you shoot with both eyes open to stay aware of the whole situation as it unfolds. Install the Sig Sauer Romeo4T Tactical 1x20mm Red Dot for durable, reliable sighting of moving targets and developing scenarios. Specifications for SIG SAUER Romeo4T Tactical 1x20mm Compact Red Dot Sight w/Mount: Manufacturer: SIG SAUER Finish: Matte Fabric/Material: 7075 Aluminum Magnification: 1 x Objective Lens Diameter: 20 mm Illumination Type: LED Illumination Color: Red Brightness Settings: 10 Eye Relief: Unlimited Adjustment Type: MOA Adjustment Click Value: 0.5 MOA Emitter Type: Enclosed Lens Material: Glass Optical Coating: HDX Battery Type: CR2032 Battery Quantity: 1 Battery Life: 100000 hours Operating Temperature: -40 - 140 Fahrenheit Weather Resistance: Yes Water Resistance Level: IPX-8 Water Resistant Mark: 400 m Shockproof: Yes Fogproof: Yes Length: 3.33 in Width: 1.83 in Height: 2.46 in Weight: 11 oz Included Accessories: Lens Cloth, Mounting Tool, Lens Covers, Batteries, Mount Condition: New Package Type: Box Magnification Type: Fixed Quantity: 1 Red Dot Sights-Footprint: RMS Adjustment Range: 0.5 MOA Front Sight Color: Red W/E Travel at 100 Yds: 100 MOA Attachment Type: Bolt Features of SIG SAUER Romeo4T Tactical 1x20mm Compact Red Dot Sight w/Mount: Designed for modern semiautomatic pistols, MSR platforms and shotguns; Short and medium range engagements and recreational shooting across a wide range of calibers and light conditions; Fully ruggedized and impact resistant for the toughest environments; Ultra durable and lightweight 7075 aluminum main housing and components, 1.41" riser mount with additional lower 1/3 cowitness spacer; Comes standard with seethrough lens covers and hex bolt mount; Complete MilSpec 810G testing, submersible up to 20 meters; Runtime in excess of 100,000 hours with solar and battery usage; Ballistic CircleDot and Ballistic CirclePlex reticle options; Users can select from 4 different integrated reticle options (Dot, CircleDot, Dot with Holds, CircleDot with Holds); Unlimited eye relief to acquire aiming point and target, regardless of eye position behind sight; MOTAC (Motion Activated Illumination) powers up or down when sensing motion; Uses an ultraefficient red LED illumination for daylight visibility and extended runtime; Bolt mount included; Strong, lightweight 7075 Aluminum housing; Waterproof, IPX8 rated, and fogproof Package Contents: SIG SAUER Romeo4T Tactical 1x20mm Compact Red Dot Sight w/Mount Lens Covers Mount