Adaptability meets precision with the new lineup of ROMEO-MSR GEN II optics. Refreshed from the ground up, the ROMEO-MSR GEN II combines a sleek new look with unparalleled functionality that has been optimized for MSR rifle platforms.Available in either a green or red reticle, the ROMEO-MSR GEN II maintains adaptability with an analog rotary illumination dial to manipulate 12 individual brightness settings, including two dedicated night vision options. Featuring a redesigned see-through riser mount, the ROMEO-MSR GEN II allows for a convenient co-witness while still maintaining ultimate durability.Engineered for discerning shooters seeking uncompromising quality, durability, and adaptability in their optics, the ROMEO-MSR GEN II was designed to exceed expectations. IPX-7 waterproof. Product Specifications Brand: Sig Sauer Category: Red Dot Sights Series: Gen II Model: Romeo-MSR Magnification: 1x Color: Black Reticle: 2 MOA Red Dot Material: Aluminum Firearm Type: Rifle Mount Type: Picatinny Rail Run Time: 40,000 hrs Adjustment Size: 1 MOA Objective: 20mm Brightness Settings: 10 Day / 2 Night Switch Type: Dial Battery Size: CR2032 Windage Adjustment: 100 MOA Length: 2.74" Proofs: Fog Proof / Shockproof / Waterproof Parallax Adjustment: Parallax Free Power Source: Battery Dot Size: 2 MOA Elevation Adjustment: 100 MOA Height: 2.45" Mount Height: 1.41" Optic Coating: Spectracoat / Lensarmor / Lenshield Width: 1.76" Weight: 5.70 oz