Feature a Rapid Target Acquisition: FFP VTA-4 MOA Reticle with Center Illumination for Precise Target Shooting a Clear Imaging: LaREE HD Lens with Fully Multi-Coated (FMC) Coating for Sharp, Clear Images a Adaptable Visibility: 6-Level Illumination Optimized for Various Light Conditions a Expanded Adjustment Range: 34mm Tube Dia Offers 110 MOA Elevation Travel with 1/4 MOA Click Value a Effortless Zeroing: Zero Stop Function Allows Easy Return to Pre-Set Zero Point Specification Magnification: 4-16x Objective Lens Dia: 44 mm Focal Plane: First Focal Plane Eye Relief: 95 mm / 3.74 in Lens Coating: Fully Multi-coated Linear Field of View @ 100 yd: 31.4-7.85 ft @ 100 yards Linear Field of View @ 100 m: 10.5-2.6 m @ 100 meters Angular Field of View: 6-1.5 Adeg Reticle: VTA-4 MOA Tube Dia: 34 mm Side Focus: 15 yards to Infinity Click Value: 1/4 MOA Turret Function: Zero Stop Elevation Adjustment Range: >110 MOA Windage Adjustment Range: >50 MOA Diopter Compensation: -2 to +2 Illumination Setting: 6 Gears, On/Off Switch Battery Type: CR2032 (NOT INCLUDE) Battery Life: N/A Waterproof: IP67 Fogproof: Nitrogen Filled Shockproof: 1000 G Housing Material: 6061-T6 Aluminum Alloy Finish: Matte Black Length: 317 mm / 12.48 in Weight: 903 g / 31.8 oz Items in the Package: User Manual, Cleaning Cloth, Plastic Wrench, Rubber Lens Cover, Sunshade, etc. Size Reticle Compatible Gun Type For Target Shooting: Airgun (FX, Walther, HW), Ruger 10/22, Barra / HW, Glock / CZ75, etc.