describe: [40x60 high magnification] Full 16 times magnification 60mm objective lens diameter monocular, providing a clear and bright picture, enjoy the beauty of the distance. The monoculars with a large field of view give you the best field of view during outdoor adventures. Enjoy bird watching, hunting, hiking, camping, traveling, wildlife, scenery and more. [High-contrast and resolution image] The latest optical technology, high-density telescope with BAK-4 prism and fully coated lens, guarantees excellent light transmission and brightness, and the light transmission rate is as high as 99.5%. Our monocular has low-light night vision function, which can help you see things in low light (you can't see anything in total darkness), giving you an amazing viewing experience. Double focus, waterproof and anti-fog: Double focus ring, the telescope can easily focus to achieve precise observation and clear images. The striped durable rubber armor is easy to use, non-slip grip and durable external protection, so you don't need to use your hands. IPX7 nitrogen-filled and waterproof, with anti-fog coating and O-ring sealed optical elements to prevent moisture, dust and dirt, and always keep it clean. [Monoculars are basically compatible with smartphone holders and tripods. Suitable for iPhone 8/8 Plus, 7/7 Plus, 6/6s Plus, Samsung Galaxy S9 / S9 Edge, S8 / S8 Edge, S7 / S7 Edge and almost all other smartphones on the market. Easy to install, provide high-definition pictures or videos to share with your friends.