Regardless of the scenario, the EOTech Holographic Hybrid Sight II (HHS II), featuring an EXPS2-2 with a G33.STS magnifier, provides an amazing advantage when transitioning from close-quarters to long-range shooting. Instant transition is achieved through a quick Switch-To-Side (STS) mount that offers a simple, quick disengagement of the magnifier. IncludedHHS II (EXPS2-2 & G33.STS)Quick-Start GuideWarranty & Registration CardCR123 BatteryProtective Case FeaturesQuick detach mountProtective aluminum hoodRaised button controls for easy adjustment