【80x100 HD High Power Monocular Telescope】monocular telescope provides 80x magnification with 100mm objective diameter wide lens, and a wide field of view, let you have the best view in outdoor adventures, ideal for outdoor enthusiasts and wilderness explorers, a handheld and must-have for bird watching, wildlife, hunting, hiking, mountaineering, camping, surveillance and traveling. 【High Contrast and Resolution Images】The zoom telescope is equipped with BAK-4 prism and fully multi-coated lens, guaranteeing superior light transmission and brightness. The light transmission reaches up to 99.5% visibility. The built-in low-light-level night vision helps you see things in low light. An adjustable eye cup also allows you to twist up and down easily and rapidly for optimal viewing even while wearing glasses. 【Waterproof Anti-fog Anti-slip Design】IPX7 Waterproof, Monocular telescope has O-ring sealed for complete waterproof protection. prevent moisture, dust and debris to keep it clear all the time. Ergonomic design helps you focus on your target quickly and accurately with one hand. And the durable rubber armor with stripes makes it comfortable for use, non-slip grip, and durable external protection from your hand. 【Widely Compatible with Smartphones, Easy to Install】Our monocular telescope comes with the latest quick alignment smartphone holder and aluminum alloy telescopic bracket. Perfect for iPhone, Samsung GALAXY, LG, Sony and other smartphones on the market. Easy to install, and will provide HD images or videos to share your beautiful and amazing moments with your family and friends.