3-9x40 AOEG Hunting Rifle Scope Red Green Dual illuminated Optical Gun Scope

3-9x40AOEG Optical Rifle Scope with MountsThis tactical rifle scope is well suited for mid to long range shooting, with high optical clarity at 3-9X times magnification and a 40mm objective diameter. The reticle is illuminated in red or green and in multiple brightness intensities, for a suitable sight picture regardless of lighting or environment. Features     Durable all metal construction     Complete controls (windage, elevation, focus, etc.)     Fully coated  lens     Inert gas purged, fog, weather, shock proof     Two high profile scope mounts included for secure attachment to any Picatinny or Weaver rails     Spare batteries are included for your convenience. Specifications     Dimensions: 12.5"(length) x 3"(width) x 3"(height)     Weight: 20 oz     Magnification: 3x-9x     Obj. Diameter: 40mm     Brightness Control: Red:5 levels / Green:5 levels     Reticle: Rangefinder     Exit Pupil: 13.3mm @ 3x4.4mm @ 9x     Field of View: 13.41' ~ 40.38' @ 100yards     Eye Relief: 2.75"