These sights offer unlimited eye relief and a wide field of view and making them extremely versatile for sport and tactical and and hunting applications. Shock-resistant up to .50 caliber for reliable service on almost any firearm platform. Integral and weaver-style base on all models gives rock-solid mounting and easy installation.Rugged and waterproof and fog-proof sights sights feature a 5 MOA dot size for fast target acquisition and 11 brightness control settings and fingertip windage and elevation adjustments and 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 same dot reticle with selectable illumination in red or green for improved visibility in all light conditions. Both have 1 MOA click adjustments. Technical Information: Adjustment(s): 1 MOA (1" at 100 yds) Brightness Settings: 11 settings Color: Black Dimensions: 97mm l (3.82") Eye Relief: Unlimited Field of View (100 yds): 68 Magnification: 1x Mount: Weaver style mount Objective Size: 30mm Power Supply: (1) CR 2032 Lithium battery Reticle: 5 MOA Dot Sight Type: Red Dot Weight: 7 oz