FFD1081 Features: * Sight * Body material aluminum * Unlimited eye relief * Compact Size * Windage (MOA) 1 * Shockproof * Elevation (MOA) 1 * Lens coatings Anti-reflective red * Mount type weaver / picatinny * Red illumination * 3 MOA dot * 1 MOA adjustment (continous) * Reticle brightness settings 1-2 and off * Magnification (x) 1 * Objective lens diameter 23x16mm * Field of view (ft @100yd) 51.5 * Parallax setting 50yds * Maximum recoil (G"s) 600G * Battery type CR2032 * Battery life 80 hours * Waterproof IP Standard IPX3 * Operating temperature 20-140°F Includes: * Includes Lens cloth and Adjustment tools Color/Finish: * Finish: Matte black Specifications: * Battery voltage 3V Dimensions: * Dimensions: 4" H x 3" W x 3" D