SVBONY Red Green Dot Sight Reflex Sight Holographic Scope Sight 33mm Lens 4 Reticles Solid metal construction and integral Weaver Picatinny base; SVBONY holographic red and green dot sight accommodates 20-22mm standard weaver mount on top to mount it;easily sight remounting 4 different reticles with red and green dot sight provide unlimited eye relief no matter day and night;catering to all individual sighting needs;easily and quickly get moving and rapid shooting target;one CR2032 battery included Multi coated lens enhance light permeability;reduce reflection and light loss;reduce eye fatigue;fine adjustments on the MOA precision adjustment;windage adjustment for right and left;elevation adjustment for up and down allow for optimal alignment with allen wrenches Tubeless with 22x33 mm reflex lens aperture provides a wide field of view;parallax corrected and unlimited eye relief;suitable for rapid shooting of moving targets Lifetime warranty;we confidently promise lifetime warranty for each one from us