1.[HIGH CONTRAST AND RESOLUTION IMAGES]: Latest optics technology, the monocular telescope equipped with BAK-4 prism and fully muti-coated lens, superior light transmission and brightness and the light transmittance reaches up to 99. 5%. provide you a amazing viewing experience. 2.[16x52 HIGH POWER MAGNIFICATION]: 16x52 high powered monocular for adults - a full 16x magnification monocular, provides a clearly and bright image. This monocular telescope has large field of view, just feel to enjoy bird watching, hunting, hiking, camping, travelling, wildlife, scenery, enjoy the beauty of the di etc. 3.[WEATHERPROOF MONOCULAR]: This waterproof, fog-proof, dust-proof, shockproof monocular, built in lens dust cover and o-ring sealed optics could prevent lens from dust/moisture/debris, ensures the living waterproof function, fit for the most weather and environment. 4.[PERFECT ACCESSORIES]: This portable monocular is easy to hold by one hand. You also could connect your phone with the tripod and smartphone adapter. It's very convenient when you watch something for a long time. The monocular also come with cleaning cloth, cloth bag, hand strap, user manual.