Ultimate Arms Gear 1-4X24 Red 4A Reticle Iluminated Tactical Dot Rifle Hunting Sniper Scope, Lithium Battery, See Thru Lens Caps, & Lens Cleaning Kit Magnification: 1 - 4x. Objective Diameter, mm: 24. Reticle: 4A. Red Illuminated. Field of View (degrees): 18 - 4.61. Field of View (m@100m): 31.6 - 8.06. Exit Pupil, mm: 15 - 5. Eye Relief, inch: 3.46 - 3.35. Eye Relief, mm: 88 - 85. Water Proof (N2): 0.3 kg/cm3. Weight, g: 460. Length, mm: 260. One click: 0.25 MOA. Windage and elevation adjustment range: 60 MOA. Tube: 1 piece, 30mm. Coatings: Fully Multi Coated. Shock endurance: 1000G/6500J. Temperature operating range: +80 to -17 deg. C. Filling gas: Nitrogen. Battery & Lens Cleaning Kit Included.