1.[40X60 HD High Power Monocular Telescope]A monocular with a full magnification of 40X and a 50mm objective lens diameter provides a clear and bright image and enjoy the beauty of the distance. 2.[High Contrast & High Resolution Images]- Latest optical technology, HD monocular telescope with BAK-4 prism and fully multi-layer objective lens, superior light transmission and brightness and light transmission up to 99.5%, provides more light to see, reduce chromatic aberration and ghosting, bring you a clearer, brighter and more colorful view. 3.[One-handed Focus, & Anti-fog]Ergonomic design allows you to quickly and accurately focus on your target with one hand. rubber armor with stripes makes it comfortable to use, non-slip and provides durable external hand protection. Nitrogen-filled waterproof material with anti-fog coating and O-ring sealed optics prevents moisture, dust and dirt and ensures the lens always stays clear. 4.[Widely Compatible with Smartphones, Easy to Install]- The latest monocular telescope includes a smartphone holder and a tripod for more convenient and versatile use. This telescope can be used alone, handheld and your phone connected with a smartphone holder and tripod. It is compatible with all smartphones on the market.