Feature A Accurate Target Aiming: 0.4 MIL Center Dot with Red Ring for Fast Aiming, Christmas Tree Pattern for Fast Follow-Up Corrections A Bright and Clear Imaging: Advanced LaREE (Lanthanide Rare Earth Element) HD Lens with FMC Lens Deliver Bright and Clear Images A Compact and Flexible Use: 251mm/9.88in LPVO Optimized for Short-Barreled Rifles, with True 1x Power for Two-Eyes-Open Shooting A Reliable and Secure Controls: Capped Turret Prevents Accidental Adjustments, with a Exposed Turret Available for Quick Elevation Changes Specification Magnification: 1-10x Objective Lens Dia: 24 mm Focal Plane: FFP Eye Relief: 100 mm / 4.0 in Lens Coating: Fully Multi-coated Linear Field of View @ 100 yd: 114.01 - 11.4 ft @100 yards Linear Field of View @ 100 m: 38 - 3.8 m @100 meters Angular Field of View: 21.77 - 2.18Adeg Reticle: Etched, VCO-2 MIL Side Focus: 100 Yards Tube Dia: 30 mm Click Value: 1/10 MIL Turret Function: Spare Exposed Turret Elevation Adjustment Range: 35 MIL Windage Adjustment Range: 35 MIL Diopter Compensation: -2.5 to +2.5 Illumination Setting: 11 Levels, Red Battery Type: CR2032 Battery Life: 20,000 hours (Lowest Power Mode) Waterproof: IP56 Fogproof: Filled Nitrogen Shockproof: 1000 G Housing Material: 6061-T6 Aluminum Alloy Finish: Matte Black Length: 251 mm / 9.9 in Weight: 558 g / 19.7 oz Items in the Package: Plastic Wrench, User Manual, Spare Exposed Turret, Flip-up Caps and Cleaning Cloth, etc. Size Reticle Compatible Gun Type For Small Game Hunting: FX Impact (.22 / .25 / .30), Walther / HW40, Ruger 10/22 (.22LR), Barra / HW, CZ 457 (.22LR), Tikka T1x (.22LR) For Varmint Hunting: Ruger American / Sako 85 (.204 / .22 Hornet / .222 / .223 / .300 BLK), CZ 527 Varmint (.17 Hornet / .22 Hornet / .204 Ruger / .223 / .22-250) Video