1. The shell of the monocular telescope is made of ABS plastic steel, which is lightweight and easy to carry. The smartphone holder and the tripod are sturdy and stable, and the holder can better adapt to various smartphones to ensure clear and bright images2. High magnification monocular, superior light transmittance and brightness, light transmittance up to 99.5%. Help you see things in low light condition (not seeing anything in total darkness), giving you amazing viewing experience, and at the same time, you can easily put it in a backpack or pocket3.IPX7 Nitrogen-filled waterproof, with anti-fog coating and optical components sealed by O-ring, which can provide waterproof, anti-fog, dust and shock protection in any weather and any environment, and always keep it clean4.Ergonomic design helps you focus on your goal quickly and accurately with one hand. Durable striped rubber armor is very comfortable to use, non-slip and provides durable external protection for your hands5.Very suitable for hiking, hunting, mountaineering, rock climbing, bird watching, wildlife or landscape viewing, ball games, scenic spots, concerts, sightseeing or camping, etc. It is a great gift for relatives and friends.