UUQ Holographic Sight 4 Reticle Red/Green Dot Illuminated Adjustable Optics Reflex Sight with Rails Hunting scope optics sight with Red and Green laser dot dual illuminated, reticles with 4 patterns Tubeless designed with 33mm reflex lens aperture, provides a wide for normal and rapid aiming or shooting of targets Full windage & elevation adustment, durable metal construction, lightweight, weatherproof and shockproof Compatible for picatinny/weaver scope rail mounts with adjustable size base Excellent choice for rapid-firing and moving targets