Monocular 40 x 60 Zoom】 Monocular telescope with full 40x magnification and 60 mm objective diameter as well as a 1000 m field of view and high power magnification - you have the best overview of your outdoor adventure.【Optical lens filter coating & night vision】 Monocular HD high performance precision design, light reflection and minimal distortion, superior light transmittance and brightness. The Fmc multilayer coating reduces reflection and increases the amount of light entering. The image transmission is up to 99.9%, the built-in low light night vision design helps you see things in low light.【Professional high-performance monocular】 Fully multi-coated lens coating and internal BAK4 prism. Light reflection and minimal distortion, multi-coated optics guarantee superior light transmission and brightness. The prism system has a perfectly round exit pupil that provides a high quality image.【Waterproof monocular】 This waterproof, fog-free, dust and shock-proof monocular with integrated lens cover and O-ring optics prevents moisture, dust and dirt from getting into the monocular and ensures clear and sharp images in any weather and any environment.【Wide application】: Enjoy your telescope monocular perfectly. Ideal for hunting, climbing, bird watching, zildlife and landscape watching, concerts, sports, hiking, camping and traveling. Suitable for most smartphones.