1.[ Monoculars] This high-definition waterproof, anti-fog, dust-proof, shock-proof monoculars, built-in lens dust cap and O-ring sealed optical components, can prevent lens dust, moisture / debris, and ensure function, suitable for most weather and environment (note: can not be used in heavy rain or immersed in water for a long time). 2.[12x50 Telescope] Adult 12x50 high-power point telescope - a complete 12x monocular telescope with an objective lens diameter of 50mm, which can provide clear and bright images. This kind of monocular telescope has a wide field of view and is suitable for outdoor adventures such as bird watching, hunting, hiking, camping, sightseeing and other activities. 3.[BAK4 Spotting Telescope] The 12x50 spotting telescope is equipped with BAK4 prism and multilayer green film lens, which ensures excellent light transmittance and brightness, and the light transmittance is as high as 99.5%. Monoculars have low-light capabilities, which can help you watch things in low light (you can't see anything in a completely dark environment), thus providing you with an amazing viewing experience. 4.[Perfect accessory] The 12x50 telescope is easy to hold with one hand. It can also be connected to a tripod and smartphone adapter (5.7 to 8 cm, compatible with most smartphones on the market). The oscilloscope is also equipped with a cleaning cloth, storage bag, carrying rope and metal tripod.