The Burris FastFire E is the first fully enclosed emitter red dot in the FastFire series, engineered for pistols, shotguns, and carbines. Built from monolithic machined aluminum, it is waterproof, shockproof, and fogproof ready to perform in harsh environments. The 3.5-MOA dot features an always-on design for instant readiness and is powered by a CR2032 battery that provides up to 60,000 hours of operation. Aspherical lenses deliver a distortion-free, glare-resistant sight picture, while eight brightness settings including two night-vision compatible modes allow for optimal visibility in any lighting condition. A wide 22x17mm viewing window and true 1x magnification support fast, both-eyes-open shooting. With 100 MOA of windage and elevation adjustment and an Aimpoint ACRO footprint for secure mounting, the FastFire E offers dependable performance and precision. Product Details Magnification: 1x Reticle: FastFire 3.5-MOA Dot Reticle Color: Red Finish: Black Click Value: 1 MOA Total Elevation Adjustment: 100 MOA Length: 1.81 in Weight: 2.45 oz Illumination Settings: 8 Daylight / 2 Night Vision Battery: CR2032 Product Features Rugged 7075 aluminum monolithic housing for durability and recoil resistance Waterproof, shockproof, and fogproof for reliable use in extreme conditions Always-on 3.5-MOA dot with up to 60,000-hour battery life Side-mounted battery compartment allows quick battery changes without losing zero Parallax-free 1x magnification supports both-eyes-open shooting Aspherical lenses provide a clear, distortion-free, glare-resistant sight picture Eight brightness settings including two night-vision compatible modes Wide 22x17mm viewing window for faster target acquisition and improved awareness 100-MOA windage and elevation adjustment for precise zeroing Aimpoint ACRO footprint compatibility for secure mounting Brightness lock and button lockout to prevent accidental adjustments Automatic brightness reset adapts quickly to changing lighting conditions