Ledsniper 3in1 Combo4-12x50 Eg Optical Rifle Scope Mil-dot Dual Illuminated w/ Side Rails & Mount Magnification: 4x-12x Tubeless holographic sight with 33mm reflex lens aperture provides a wide field of view, suitable for normal and rapid-firing shooting of moving targets Easily mountable to any 20mm rails (Picatinny or Weaver) Field of View: 10' ~ 27' @ 100yards Laser Class: Class IIIA Power:5mW Integrated red laser sight with cap and pressure switches