Features *Silicone environmental protection binoculars, the best gift for children. *Optical glass lens protects the eyes and does not damage the eyesight. *4x fixed focus, not hurt the eyes, and cultivate children's concentration. *New pattern design, light weight. * Clear glass lens, big eyepiece, central focusing wheel. Specification Instrument magnification: 4 Exit pupil distance: 10 (mm) Exit pupil diameter: 3 (mm) Field of view: 1000 Resolution: 1000 Size: 11x4x8.5cm Objective lens: 30mm Suitable age: 2-6 years old Weight: 100g Material: natural rubber Natural silicone material Designed for kids binoculars,soft-rubber eyepiece protect the eys, so kids won't hurt their eyes. Optical lens The use of optical glass lenses has high definition and protects the eyes from damage to vision. Quadruple fixed focus Quadruple fixed focus, does not hurt the eyes, cultivates children's concentration, and is widely used. Show details Clear glass lens, color reproduction is more real; big eyepiece, see more; central focus wheel, can be operated with one hand. The advantages of a good telescope New pattern design process, light weight, only 100 grams, light and portable. Packaging accessories display