Camera & Photo, Telescope Refractors 4K 10-300X40mm Super Telephoto Zoom Monocular Telescope. Get The Shots You Want: With this Phone Telescope, there would be no obstacles to capture the best views. Night Features: The built-in night vision function allows you to use it normally at night.Laser Focus: Turn on autofocus and blur the background function so that you can focus on observing the person or thing you need to observe.Compact and Useful: 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. Giving you an amazing performance. The titanium alloy Shell with higher specific strength just weighs 1.1 pounds. After retracted, the length is only 7.87 inches, so you can easily put it in a backpack or pocket when hunting, traveling, or camping.Waterproof, Dust-proof, and Shockproof Design: Nitrogen-filled waterproof and O-ring sealed optics prevent moisture, dust, and debris and ensures the living waterproof function.Outdoors & City: Ideal for outdoor enthusiasts, wilderness explorers, and a must-have for bird watching, wildlife, hunting, hiking, mountaineering, camping, surveillance, and traveling. Compatible mobile phone: iPhone 11 /11 Pro/11 Pro Max /XS /XS Max /XR/X/8 plus/8 /7plus /7 /6 / 6s /6plus/5/5s/4s/SE, Samsung GALAXY S10, S10+, S9, S9+, S8, S6, S6 Edge, S5, Note, LG, HTV, Sony, and almost all other smartphones on the market.MONOCULAR TELESCOPE SPECIFICATIONS Magnification: 10-300X Prism Type: BAK-S1 Objective lens coating: FMC Prism system: BAK-S1 Prism Field of view: 360ft/1000yds Weight of monocular: 1.1 pounds