【IP7 WATERPROOF Fog-proof】Made by IPX7 standards. The body is fully sealed and filled with nitrogen: 100% waterproof, Prevents moisture, dust, and debris from getting inside the binocular telescope – designed to inhibit internal fogging, fit for daily use and most outdoor environment. 【Compact 10×42 Roof Prism Binoculars】 With 10x high power magnification and wide-angle 42mm lens delivers best-in-class clarity and brightness; Provided with 330ft/1000yds large field of view, specially designed for outdoor activities such as climbing, hiking, driving, watching wildlife and scenery. This power also can be used for watching large stage play, vocal concert, a football game, etc 【FMC Fully Multi-coated Optics & BAK4 prism】-BAK4 prism combined with advanced coating, pure optical lens, with fine grinding and multi-layer coating technology, so that light penetration rate of up to 99%. Practical Adjustable Eyecups, twist up and down eyecups for quick adjustment comfortable viewing with or without eyeglasses. 【Smartphone Adapter Perfect Avaliable】-Compatible with iPhone, Samsung, LG, HTV, Sony and almost all other smart phone on the market. And Aiqiying binoculars can be used with tripod mount. It’s very convenient when you watch something for a long time. Besides, you can capture the beauty and share with your friends. 【Durable Material & Satisfaction Guarantee】Well-made by selected high-quality materials, Lucear 10×42 binocular telescope comes with a LIFETIME WARRANTY. Comprehensive pre-sales and after-sales service within 12 hours, shop with confidence!