1.The strong frame and material make it comfortable and for long-term use, and the unique non-slip design prevents it from slipping from your hands, perfect for any occasion or bad weather. 2.This 10-30x42 zoom Good- Power Magnification monocular telescope provides a bright and crisp image and different fields of view. 3.The large 42mm objective lens allows you to see farther and wider. The coating adopts FMC broadband coating and good h-quality BAK4 prism to ensure image authenticity 4.Monocular telescope designed for outdoor enthusiasts. It is suitable for all kinds of outdoor sports: animal observation, mountaineering, camping, tourism, hiking, water sports, ball games, scenery viewing, driving, concerts, monitoring, outdoor exploration and other activities. Give you an amazing visual experience!