Burris Demo ProductsBurris demo products have been slightly used for display or demonstrations by Burris during outdoor industry events. They may exhibit minor cosmetic imperfections that will vary from demo product to product. Burris demo products and their included accessories are guaranteed by Burris to operate to the standards for a new product. All Burris demo products are covered by the Burris Forever Warranty View WarrantyThe 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) and a choice of red or green dot.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 ACROA(R) footprint ensure precise, secure mounting.