1.[40x60 HD Magnification]Powerful 40x magnification brings distant subjects up close, 50mm lens increases light collection compared to smaller lenses to ensure bright images even in difficult lighting conditions. 2.[High Contrast & High Resolution Images]Latest optical technology, HD monocular telescope with BAK-4 prism and fully multi-coated lens, superior light transmittance and brightness, and light transmittance up to 99.5%, provides more light to view, Reduces chromatic aberration and ghosting, giving you a clearer, brighter and more colorful view. 3.[Simple and compact] It fits in any jacket pocket and is therefore always at hand. The 12 x 50 monocular is a practical tool in many situations. It is waterproof for use in bad weather and has a water-repellent, robust rubber armor. Thanks to the 12x magnification, you can get very close to the desired objects without disturbing animals. Also, it is designed for one-handed use. 4.[, Dustproof, ] Our monocular telescope is waterproof with nitrogen filling. However, to prolong its lifespan, never rinse it with water or immerse it in water. In addition, two supplied O-ring lens caps keep the lenses away from moisture and dust. Together with an impact-resistant rubber armor, this monocular telescope can accompany you on your outdoor adventures even in bad weather.