PROFESSIONAL POWERFUL BINOCULARS---Designed with 20X magnification, 50mm large objective lens and 24mm eye lens diameter which delivering clearer and brighter view. Perfect binoculars for adults bird watching, hunting, camping, hiking, sports and stargazing.CLEAR IMAGE & HIGH QUALITY OPTICS---The binocular uses the BAK4 FMC Lens,its FMC(fully multi-coated) film aspheric lens provides superior light transmission, contrast and quality.You can see a bright, clear and razor-sharp view, even in low light condition,you also can see a bright, clear and razor-sharp view.NON-SLIP GRIP AND STURDY --- These binoculars are built to last with their sturdy construction, impact-resistant rubber surface, and secure, comfortable grip. Waterproof, but not suitable for long-term use in heavy rain or flooding. Ideal for outdoor activities such as mountain climbing, hiking, traveling, watching wildlife and windEasy to use---Focus by adjusting the right eyepiece focus wheel and center wheel. It is simple to operate and convenient to focus. It is super easy to use whether you wear glasses or not. The telescope has a 1/4 threaded hole, which can be used with a tripod. So this is very convenient when you are watching something for a long time.Versatile Use---These binoculars are designed for bird watching, hiking, hunting, climbing, traveling, football basketball or any sports games, concerts. If you have any questions, please feel free to contact us.