CVLIFE 2.5-10x40e Red & Green Illuminated Scope with 20mm & 11mm Mount Magnification: 2.5-10X with 40mm objective; Field of View:100 yards of 32.5' @ 2.5x - 8.9' @10x; Laser: 2mW, Class IIIA, reaching 100 yards Clearer Image: multi-coated green lens boast much higher light transmittance compared with blue lens Illumination Modes: red & green (5 intensity) Durable: made of high strength aircraft aluminum Eye Relief: 101.6mm @ 2.5x - 76.2mm @ 10x Exit Pupil: 16mm @ 2.5x - 4mm @10x Illuminated Level: 5 Intensity (Red) and 5 Intensity (Green) Tube diameter: 40mm Dimensions: 8.5(length) x 3(width) x 3(height) Net Weight: 580gram(approx.) Scope and gun sightlaser built together to ensure precise shooting. (Note: With the screw on the top of laser sight, you can adjust the direction of it.) 5 levels of red and green illumination reticle enable the scope to be used in diverse lighting conditions. Built with the Kellner eyepiece allows for extra field of view and makes it be able to eliminate of most of image aberrations. The ocular is constructed with dioptric adjustment lens that can provides nearsighted and farsighted users a clear viewfinder image without the use of eyeglasses. Scratch-resistant coating protects exterior lenses from scratches, oil and dirt. Coming with the mounts of 20mm (0.79 inches) and 11mm (0.43 inches), you could install the scope to rifles with different rails. 1 x 2.5-10x40mm Rifle Scope 1 x lens cover Battery: CR 2032 x 1(reticle); LR1130 x3(gun sight laser) 2 x scope mounts for 20mm 11mm weaver dovetail rail only 1 x Allen key 1 x Cleaning cloth