The EOTech EXPS3 Extreme Holographic Sight is the shortest, lightest holographic weapon sight on the market today, and allows for an elevated level of precision in short to medium range tactical environments like never before. The EOTech EXPS-3 Red Dot Sight features easily adjustable side buttons with a single, quick release throw lever to easily attach or remove the sight. The EOTech EXPS 3 Waterproof Holographic Red Dot requires 2 3/4 inches of rail space at most thanks to a shortened base. The waterproof and fogproof design will withstand tough environments and perform in any tactical environment and with the average battery life being 1000 hours, you can be sure the EOTech EXPS 3 Holographic Weapon Sight is ready for action at any moment, whether day or night. In combination with an innovative holographic tool, the EOTech 5-Power Magnifier w/ Side Mount Switch delivers the ability to spot targets in tight-quarters, while also shifting into a long-range surveillance system. This Magnifier from EOTech has the durability and light transmitting capability, providing long-lasting use and keen visibility. And its Switch-to-Side mount enables EOTech 5-Power Holographic Hybrid Sight Magnifier to be quickly and easily disengaged. So, if you're in the market for a top-notch addition to your sight, be sure to choose EOTech 5-Power G45 Magnifier. Specifications for EOTech EXPS3-4 Holographic Weapon Sight w/ G45.STS 5x Magnifier: Manufacturer: EOTech Color: Black Fabric/Material: Aluminum Magnification: 5 x, 1 x Objective Lens Diameter: 0.85 - 1.2 in Objective Window Size: 1.2 x 0.85 in Reticle: 68 MOA Ring and 1 MOA Dot Illumination Type: Holographic Illumination Color: Red Brightness Settings: 30 Eye Relief: 2.6 in Adjustment Type: MOA Adjustment Click Value: 1/2 MOA Emitter Type: Enclosed Field of View, Angle: 4.4 degrees Lens Material: Laminate, Glass Optical Coating: Anti-Reflective Attachment/Mount Type: Weaver, Picatinny, MIL-STD 1913 Battery Type: CR123 Battery Quantity: 1 Battery Life: 1000 hours, 1000 continuous hrs at nominal setting 12 at room temp Weather Resistance: Fog Resistant Water Resistance Level: Submersible Water Resistant Mark: 33 ft, 10 m Fogproof: Yes Length: 7.7 in Width: 2.3 in Height: 3.3 in Weight: 680.4 g, 24 oz Included Accessories: Standard Condition: New Adjustment Range: 40 MOA Features of EOTech EXPS3-4 Holographic Weapon Sight w/ G45.STS 5x Magnifier Reticle Options: EOTECH’s unique reticle patterns are a critical to delivering fast target acquisition and MOA accuracy at any range. EOTECH reticles feature a 68 MOA ring surrounding a 1 MOA center dot allowing the shooter to quickly pick up and lock on a target; EOTECH Four Dot Reticle: Use this ballistic reticle with 5.56 Nato/.223 cal with 62 gr M855 FMJ at roughly 2,680 fps with a 14.5" barrel. For ordering this reticle, the model codes will end in -4. Aiming dots on the 4-dot reticle may not be distinguishable without magnification; Range Estimation with Unmagnified HWS: The standard ring found in most reticles equates to approximately 68" (5'8") at 100 yards; Brightness Options: The EXPS3 HWS offers multiple brightness settings with both Standard and Night Vision modes offering quick adjustability to accommodate any shooting situation (20 daylight settings, 10 additional settings for Gen I through III+ night vision devices) Package Contents: EOTech EXPS3-4 Holographic Weapon Sight w/ G45.STS 5x Magnifier Quick-Start Guide Warranty & Registration Card CR123 Battery Protective Case