Burris FastFire E 1x Green Dot - 3.5 MOA Dot - 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's waterproof, shockproof, and fogproof-ready for any environment. The 3.5-MOA dot with an "always on" feature ensures instant readiness, powered by a CR2032 battery with 60,000-hour life. Its aspherical lenses provide a distortion-free, glare-resistant view, enhanced by eight brightness settings (two night vision compatible). A wide 22x17mm window and 1X magnification enable fast, both-eyes-open shooting. Fully adjustable windage and elevation with a 100-MOA range and an Aimpoint ACRO footprint ensure precise, secure mounting. Features: Rugged 7075 Aluminum Construction Waterproof, Shockproof, and Fogproof Always-On 3.5-MOA Dot Side-Mounted Battery Compartment 1X Magnification Aspherical Lenses Eight Brightness Settings Wide 22x17mm Viewing Window 100-MOA Windage & Elevation Adjustment Aimpoint ACRO Footprint Compatibility Brightness Lock & Button Lockout Automatic Brightness Reset