Non-magnifying (1x) sight delivers the benefits of fast, accurate, red dot sighting, plus the durability of waterproof, fogproof, shockproof Bushnell-quality optics. Bright red 3 MOA dot provides precise, both-eyes-open shooting to get you on target fast without sacrificing accuracy. Eleven position rheostat allows the shooter to match the brightness of the dot to specific shooting conditions. Easy-to-grasp control knob to adjust brightness. AmberBright(TM) multi-coated optics provide a clear, crisp sight picture; unlimited eye relief helps you get on target fast. Adaptable for rifle, shotgun, or handgun use. Available with built-in low-profile Picatinny/Weaver-style (Lo-Pro) mount. Mfg: Bushnell SPECS: Aluminum body, anodized, black finish. 25mm (1") dia. objective lens. 2 A 1/2" (6.4cm) long. 4 oz. (113g) wt. 70 MOA adjustment with A 1/2 MOA clicks. Up to 3,000 hours of operation on a single battery. Lens covers and CR-2032 battery included.