*High-performance lens coatings for excellent light transmission and dot contrast in any situation*Compact size and weight with unlimited eye-relief *Dependable IPX-7 waterproof and fog-proof performanceThe ROMEO7 features a 1.41"e; and 1.63"e; co-witness hex mount and a 2 MOA red dot with 9 daylight settings and 2 night vision settings. Built for hard duty and fast target engagements the ROMEO7 features a 2 MOA red dot that is large enough to see in any lighting condition and small enough to not obscure your target. This allows for a more precise point of aim at greater distance. Fully coated lenses increase light transmission and dot visibility in all lighting conditions. The back loading battery compartment is easily accessible. The user-facing brightness knob lets you adjust the illumination level while keeping your head on the rifle