These sights offer unlimited eye relief and a wide field of view, making them extremely versatile for sport, tactical, and hunting applications. Shock-resistant up to .50 caliber for reliable service on almost any firearm platform. Integral, weaver-style base on all models gives rock-solid mounting and easy installation.Rugged, waterproof and fog-proof sights sights feature a 5 MOA dot size for fast target acquisition, 11 brightness control settings, fingertip windage and elevation adjustments, and lens covers. Multi-coated lenses provide more than 95% light transmission for superior clarity and brightness. Traditional model features a single red-colored dot reticle. Dual Color offers the Mfg: Truglo SPECS: Aluminum body, black, matte finish. 3.75X"X (9.6cm) long x 2X"X (6.4cm) wide. 7.9 oz. wt. Includes instructions, lens covers, and CR2032 battery. 1X magnification x 30mm objective.