There is no instruction manual. Although it has hardly been used, the rubber part of the lid has deteriorated during storage because the lid was on. There is no problem with use, but please understand this. ・Waterproof binoculars with a "completely waterproof" function that prevents water from entering even if submerged in water 1 meter deep for 5 minutes. ・Compact type with a roof prism structure that can be folded, making it convenient to carry. Center focus type. Magnification: 8x Effective objective lens diameter: 25mm Exit pupil diameter: 3.1mm Real field of view: 6.2° Field of view at 1000m: 108m Brightness: 9.8 Eye relief: 15mm Diopter adjustment range: ±3dpt Interpupillary distance adjustment range: 35mm〜73mm Minimum focusing distance: 1.5m〜∞ Weight: 285g Width (at maximum interpupillary distance): 107mm Length (when stored): 104mm Thickness (at maximum interpupillary distance): 44mm Lens configuration: Eyepiece 2 groups 3 elements / Objective 3 groups 4 elements