Sig Sauer Electro-Optics SOT61000 Tango-MSR Black Hardcoat Anodized 1-6x 24mm I - The Tango MSR has 11 illumination settings. FEATURES: High Performance 6x optical system with low dispersion glassIntegrated thread in throw leaver for quick magnification changesIlluminated MSR BDC-6 reticle with 11x brightness levelsLay flat flip-back lens covers includedDependable waterproof, shockproof, and fog-proof performanceIncludes ALPHA-MSR 1 piece aluminum cantilever mount Sig Sauer Tango MSR 1-6x24mm Illuminated MSR-BDC6 SFP Black Riflescope w/Alpha-MSR Cantilevered Black Mount SOT61000