10X42 High Power Magnification: As the strongest monoculars , it offers up to 10x magnification in a 42mm lens. This magnification gives you a clear view at up to 1000yds away which can provide you amazing viewing experience when travelling, bird watching;Waterproof Monocular: This HD waterproof, fog-proof, dust-proof, shockproof monocular, built in lens dust cover and o-ring sealed optics could prevent lens from dust/moisture/debris, ensures the living waterproof function, fit for the most weather and environment(note: it can not be used in a heavy rain for a long time or soaked in the water);High Contrast and Resolution Images: High quality precision design featuring all glass high end optics, (BAK4 Prism & Multi-layer Film), this high power monocular telescope allows more light transmission and brightness and the light transmittance forming clear and colorful image;Comfortable and Design: design helps you focus on your target quickly and accurately with one hand. And the rubber armor with grain makes it comfortable for use, non-slip grip, and external protection from your hand;Widely Compatible with Smartphone: Love to share what you see with friends and families The smartphone holder perfect for almost all the smartphones on the market. Easy installing and easy sharing, a good candidate for your next trip