*Sig Sauer Romeo8H Red Dot Sight*Ballistic Round Point, 0.5 MOA Adj*Hex Bolt Mount, CoverDesigned for MSR platforms and shotguns. Unlimited eye relief to acquire aiming point and target, regardless of eye position behind sight. Slim design for low profile footprint. MOTAC (Motion Activated Illumination) powers up or down when sensing motion. Uses an ultra-efficient red LED illumination for daylight visibility and extended runtime. Spectra coat highly efficient, ultra-wide broadband, anti-reflection lens coatings reduce surface reflections to extremely low levels across the entire visible spectrum providing superior light transmission