Description:Magnification: 4x30; Package Included: 1 x Binoculars with Neck Strap; 1 x Cleaning ClothEyepiece Diameter: 11mm / 0.43 inch; Objective Lens Diameter: 29mm / 1.14 inchThis binoculars can be adjusted to fit your eye distance(54mm-73mm).Easy Focusing: You can adjust the centre-focus knob of the compact binoculars to get a clearer view.Application: Suitable for bird watching, hunting, hiking, camping, concerts, theaters, boating, sporting events and educational traveling.⭐Not suitable for professional use! Only suitable for amateur hobbies, daily play, etc.