Features: - Monocular HD Vision: 40x magnification with BAK4 prism lens design gives you a lighter, more colorful landscape. - Easy to focus: It folds to fit the eye and is suitable for adults and children. - Wide field of view: Enhanced multilayer green film FMC increases light transmission for brighter and higher contrast images. - With a compass: a monocular compass, you never have to worry about getting lost on the road. - Equipped with a tripod and a mobile phone holder: you can easily and freely watch the most beautiful scenery with your mobile phone. - One-hand operation: Lightweight and compact, it is more convenient for outdoor use. - Durable: The rubber coating protects the body from shock and wear. - Additional remote vision: The farthest viewing distance is up to 9500 meters, 20 times farther than other ordinary cameras. - Not compatible with iPhone 8 and above.