This telescope is the first attempt to use nano-etching technology, nano-array technology, mesoporous assembly technology, thin-film mosaic technology, and nano-optical materials to make the flatness error of the lens reach 10nm. The luminous flux reaches 30 times that of ordinary telescopes with the same diameter. The resolution angle is 47 times that of ordinary telescopes with the same diameter. The maximum magnification reached 300 times. This is the first monocular to achieve this magnification and clarity on such a small scale. If there are no terrain obstacles, you can easily observe people or things miles away. The telescopic anti-shake system and special tripod 3D gyroscope make the telescope's field of view very stable when it reaches a magnification of hundreds of times. Its performance is even much better than most astronomical telescopes with thousands of dollars. The shell is made of a titanium alloy with higher specific strength and weighs only 1.1 pounds. After retracted, the length is only 7.87 inches, and you can easily put it in a backpack or pocket when hunting, traveling, or camping. Nitrogen-filled waterproof and O-ring sealed optics prevent moisture, dust, and debris and ensure the living waterproof function. Ideal for outdoor enthusiasts and wilderness explorers A handheld and must-have for bird watching, wildlife, hunting, hiking, mountaineering, camping, surveillance, and traveling Compatible with all mobile phones on the market (Optional tripod pictured above) We truly believe we make some of the most innovative products in the world, and we want to make sure we back that up with a risk-free ironclad 30 day guarantee. If you don't have a positive experience for ANY reason, we will do WHATEVER it takes to make sure you are 100% satisfied with your purchase. Buying items online can be a daunting task, so we want you to realize that there is absolute ZERO risk in buying something and trying it out. If you don't like it, no hard feelings we'll make it right We have 24/7/365 Ticket and Email Support. Please contact us if you need assistance.