The Firefield Impulse 1×28 tactical red dot sight is ideal for target shooting and hunting on rifles and shotguns. This parallax corrected compact sight features a cantilever mount design, allowing it to be mounted forward for use with a magnifier. Its hard-wearing structure aids the Impulse in handling up to .50 caliber recoil and 48.6-1000 hours of battery life. This is achieved from a single AAA battery. The extremely lightweight 9.6 oz red dot sight is shockproof, fog proof and IPX5 weatherproof. Hand adjustable windage and elevation add to the user-friendly design of the Impulse. Included in the package are lens caps and battery.