Feature A Clear Aiming in Any Light: VHU-3 MIL Reticle with Fiber Center Dot Stays Visible Even in Strong Sunlight A Bright and Comfortable View: FMC Lens Maximizes Light Transmission with 4" Eye Relief for Situational Awareness A Precise and Secure Adjustments: 1/10 MIL Click Value with Locking Turrets Prevents Losing Zero by Accident A Reduced Glare for Better Clarity: Included Sunshade Cuts Reflection and Enhances Optical Quality Specification Magnification: 3-12x Objective Lens Dia.: 40 mm Focal Plane: SFP Eye Relief: 95 mm / 3.7 in Lens Coating: Fully Multi-coated Linear Field of View @ 100 yd: 25.2- 7.8 feet @100 yds Linear Field of View @ 100 m: 8.4-2.6 meter @ 100 m Reticle: VHU-3 MIL Tube Dia: 25.4 mm Side Focus: 10 yards to Infinity Click Value: 1/10 MIL Turret Function: Reset Zero Elevation Adjustment Range: 20 MIL Windage Adjustment Range: 20 MIL Diopter Compensation: -2 to +2 Illumination Setting: 11 Levels Battery Type: CR2032 (NOT INCLUDE) Waterproof: IPX4 Fogproof: Nitrogen Filled Shockproof: 750 G Housing Material: 6061-T6 Aluminum Alloy Finish: Black Matte Length: 326 mm / 12.83 in Weight: 612 g / 21.6 oz Items in the Package: Sunshade, Flip-up Caps, Cleaning Cloth. Video Reticle Size 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), etc. For Plinking: Airgun (FX, Walther, HW), Ruger 10/22, Barra / HW, Glock / CZ75, etc.