Super Telephoto Monoculars - 4K 10-300x40mm HD and Anti-Fog Monocular Telescope for Adults Kids, Night Vision Monoculars for Bird Watching About this item 4K 10-300x40 High Power Monocular: Monocular telescope upgraded from 10 to 300 times, and equipped with BAK-4 and fully multi-coated (FMC) lens, ensures superior light transmission (99.8%) and brightness and light transmission forming clear and colorful, make your vision brighter and clearer. Multi-Purpose Monoculars - Ideal for outdoor sports enthusiasts and wilderness explorers. Ideal boys and outdoor enthusiasts and gifts for men for birthdays. for hiking, hunting, bird watching, games, climbing, concerts, traveling, seeing scenery, etc. The telescope can be used with smartphone mount and tripod (not included), you need to purchase the relevant accessories separately. ☼【Compact Size & Easy to Use】This compact super telephoto monocular telescope is-portable, portable, lightweight and enough to put in your pocket, convenient to carry everywhere. The monocular telescope is convenient to use with hand, you can easily and quickly view the scenery our monocular telescope, adjust the eyecup adjustment and focus according to your needs, until the sight becomes clear. , , Fogproof:, this integrated monocular lens cover can the lens from, and debris to keep it clean all the, and the fog-resistant coating and o-ring sealed optics makes it usable to withstand harsh weather conditions. Excellent Customer Service: If you have any questions or are not satisfied with our monocular telescope, please feel to us, we are at your service. size：17x9x6cm Including: 1 set of telescope