• 【80 x 100 High Magnification Monocular】Can be used in conjunction with mobile phones, so the magnification is up to 80x and the diameter of a 50mm objective lens, and it adopts a full multi-layer coating lens to improve light transmission and resolution. Provides clear and bright images and a different field of view • 【BAK-4 Prism and FMC Lenses】High-quality precision design, premium optical components made of all glass, BAK-4 prism and FMC lenses are a powerful combination. With a high refractive index, excellent transparency and minimal scattering, the BAK-4 prisms provide an amazingly clear and bright vision • 【Waterproof & High Quality】This monocular not only has a high quality optical system, it also has a lens dust cover built in with nitrogen filled, waterproof and monocular to protect your lens from dust/vapor/debris and see the detail clearly. Impact-resistant surface and durable external protection allow it to withstand the toughest weather conditions • 【Wide Compatibility】The monocular can be easily used with one hand. The monocular design allows the wearer to get closer to the eyepiece without affecting the vision, making them feel more comfortable. There is also a tripod connector on the bottom of the monocular which allows you to attach it to your monocular tripod for a stable view. Suitable for many kinds of smartphones on the market. Can be used by adults and children • 【WIDE APPLICATION】HD monocular is perfect for hiking, hunting, climbing, bird watching, wildlife observation, landscape, etc. Also a great gift for family and friends who love the outdoors