HD High Power Monocular Telescope12X magnification and 42mm object lens diameter monocular,handheld telescope provides clear and razor-sharp image,367ft/1000yds large field of view good for fast moving subject, are gifts for men/women ideal for bird watching,concerts, hunting, driving, Travel, camping, sports events.Life-Waterproof, Fogproof,ShockproofMonocular telescope Durable structure with odorless rubber armor & extra add silicone coating for shock-resistance and Anti-slip grip, making it not only in decent and handhelds comforting appearance of more wear-resistant and moisture-proof, waterproof, antifogging and dustproof,you can use it in raining day and humid environment, and no need to worry about this item. TIPSBut be careful not to soak the telescope in water.BAK4 Prism FMC lens & Low-Light Night Visionmonocular telescope adopt latest optics technology,and equipped with high-quality BAK-4 prism and multi-coated lens,can ensure superior light brightness and transmission reaches up to 99.5%,Not only can you make images color fidelity and minimize distortion,but also low-light-level night vision let you have a good visual effect even in low light.Widely Compatible for Smartphonemonocular telescope for smartphone comes with the latest quick alignment smartphone holder and aluminum alloy telescopic bracket. Compatible for iPhone, Samsung, LG, Sony, and almost all other android phones and almost all other smartphones on the market. Monoculars easy to install,be friendly to anyone,even if you're a beginner,DON'T WORRY Single Hand Focus, Enthusiastic ServiceErgonomic design helps you focus on your target quickly and accurately and you can easily adjust the focusing lens with one hand until you see a clear and bright image.The eyeglass wearers can adjust the eye relief through rising eye cups.