1. [BAK4 Spotting Telescope] The 12x50 spotting telescope is equipped with BAK4 prism and FMC 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. 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 enjoys the view during outdoor adventures. You can ly enjoy bird watching, hunting, hiking, camping, sightseeing and other activities. 3. [ 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 waterproof function, suitable for most weather and environment (note: can not be used in heavy rain or immersed in water for a long time). 4. [Perfect accessory] The 12x50 telescope is easy to hold with one hand. You can connect your phone to a tripod and smartphone adapter (5.7 to 8 cm, compatible with most smartphones on the market). This is very convenient when watching for a long time. The oscilloscope is also equipped with a cleaning cloth, storage bag, carrying rope and metal tripod.