Sig Sauer Romeo5XDR II 5X Juliet Magnifier Combo High Performance Lens Coatings Including Dielectric Coated Prism for Excellent Light Transmission. Features: - Ultra-compact Size and Weight - Precise 2 MOA Dot - 1.41 Sight-Height for Absolute Cowitness - 90° Push-Button Flip-to-Side Magnifier Mount - Top Loading Rotary Illumination Brightness Control Featuring 10 Daytime and 2 NV Settings - Dependable IPX-7 Waterproof and Fogproof Performance - Lens Caps Included Specifications: - Magnification: 1x / 5x - Objective Lens Diameter: 20mm (Romeo MSR) / 24mm (Juliet5 Micro) - Reticle: 2 MOA Dot - Field Of View: 4.0° - Eye Relief: 60mm - Exit Pupil: 4.5mm - Illumination: 10 Day / 2 Nv - Battery: CR1632 - Waterproof: IPX-7 - Length: 5.8 In - Height: 2.6 In - Width: 2.7 In - weight: 14.5 oz