The EOTech OPMOD EXPS 3 Holographic Reflex Red Dot Sight is the ultimate sight for those who need to acquire targets quickly in short to medium ranges. Engineered with special ops professionals, these Holographic Red Dot Sights developed by ATN and OPMOD are waterproof, fogproof, and thrive in any tactical environment. The EOTech OPMOD EXPS 3 Holographic Reflex Red Dot Sight features a shortened base that only requires 2.75 inches of rail space, so it fits neatly on even short rifles and pistols. This versatile OPS3 EOTech Red Dot Sight offers four reticle options and a single O-ring sealed base for a lightweight yet durable experience. This successful partnership between L3 Technologies and ATN continues to provide innovative products that improve civilians', soldiers', and law enforcement's performance and capabilities. One of the most notable improvements of this sight is the fact that it's battlefield-proven L3 brand equipment. Whether you need a night sight for missions that require such capabilities or an everyday aiming point to improve performance, the EOTech OPMOD EXPS 3 Holographic Reflex Red Dot Sight is perfect for your needs. Specifications for EOTech OPMOD EXPS 3 Holographic Reflex Red Dot Sight: Manufacturer: OPMOD Color: Tan Finish: Hard Coating Fabric/Material: Aluminum Magnification: 1 x Objective Lens Diameter: 0.85 in Objective Window Size: 0.85 in Reticle: 4-Dot Illumination Type: Holographic Illumination Color: Red Brightness Settings: 30 Eye Relief: Unlimited Adjustment Type: MOA Adjustment Click Value: 0.5 MOA Emitter Type: Enclosed Field of View, Linear: 30 yds at 4 in Parallax: Parallax Free Lens Material: Front Window 1/8in solid glass Rear Window 3/16in Laminate Optical Coating: Anti-Reflection coating on external surface Attachment/Mount Type: MIL-STD 1913, Weaver Battery Type: CR123A Battery Life: 1000 hours, 1000 hours Operating Temperature: -4 - 122 Fahrenheit Water Resistance Level: Submersible Water Resistant Mark: 10 m, 33 ft Fogproof: Yes Length: 3.5 in Width: 2.4 in Height: 2.8 in Weight: 11.2 oz Additional Features: Lithium Battery Condition: New Magnification Type: Fixed Country of Origin: USA Quantity: 1 Brightness Index: 20 daylight settings Lens Finish: Fog resistant internal optic Package Type: Polymer hard case Features of EOTech OPMOD EXPS 3 Holographic Reflex Red Dot Sight: Available exclusively from OpticsPlanet Single transverse 123 battery to reduce sight length Shortened base only requires at most 2 3/4 inch of rail space Battery cap and latch are eliminated and replaced with a simple O-ring, tethered cap; better sealing is achieved Battery compartment is now separated from the base to allow it to hover over the delta ring of the rifle Average battery life at brightness level 12 is roughly 500-600 hours Side buttons, NV compatible with a single quick detach throw lever EOTECH Four Dot Reticle Covered by EOTech's Prestige Warranty'. Which covers the product for 10 years Package Contents: EOTech OPMOD EXPS 3 Holographic Reflex Red Dot Sight