The Holographic Hybrid Sight II (HHS II) has an EXPS2-2 with a G33.STS magnifier. Regardless of the scenario, it provides an unparalleled advantage when transitioning from short-range to long-range shooting. The quick switch-to-side (STS) mount offers a simple, instant disengagement of the magnifier. The HHS II combination is the perfect setup for hunting when your target is on the move. Features : 20 brightness settings Water Resistant Fog resistant internal optics "Fits MIL-STD-1913 rail 1" Weaver"