HD MAGNIFICATION10X-30X magnification and 50mm object lens diameter monocular, provides a clearly, bright image and different fields of view, Perfect for Hiking, Hunting, Climbing, Bird watching, Ball games, Concerts, traveling, Watching Scenery.FMC Lens & BAK4 Prism 50mm objective lens and FMC(all fully multi-coated) green film with BAK4 prism to increases light transmission to 99.5%, provides superior clarity and brightness. Low-light night vision function delivers bright, clear, high-contrast images even in low-light conditions.Waterproof & Fog-proofThe waterproof binoculars provides exceptional performance in any weather and any environment. O-ring sealed optics prevent moisture, dust and debris and ensures waterproof and dustproof function. A "must have" for outdoor enthusiasts and wilderness explorers.Monocular Telescope For SmartphoneThis monocular for smartphones, compact and sturdy body can be operated with one hand and is easy to use. Comes with smartphone holder, which is compatible with almost all other smartphones on the market. Allows you to capture and share wonderful moments.Solid, Durable And Anti-slip Grip: Durable framework and high-quality plastic steel glue armor provide non-slip grip, shock-proof grip and durable external protection. So perfect for outdoor activities such as climbing, hiking, travelling, watching wildlife and scenery.