Single Hand Focus, Waterproof & Fog Proof - Ergonomic one-hand operation helps you lock onto targets quickly and accurately - Long-lasting rubber armor with stripes provides a comfortable, non-slip grip and durable external protection for your hand - Designed to withstand challenging environments with waterproof and fog-proof performance Amazing Crystal Clear View with Dual Focus - Dual focus design offers high light transmission for brighter, higher-contrast images - Eyecup twists up to suit your eye relief; then adjust focus and zoom until the view is clear - Clear, bright viewing even when light is limited 40x60 Monocular Telescope - 40x magnification with a 60 mm objective diameter - Large field of view: 360 ft / 1000 yards - BAK4 prism design for sharp, bright images - F ocular telescope has large field of view - High refractive index MC multi-layer enhanced green film increases light transmission for brighter, higher-contrast images, even in low light All-Weather Durability - Built-in lens dust cover protects against dust, moisture, and debris - Non-slip rubber surface ensures secure one-handed use and reduces the risk of dropping - IPX7 nitrogen-filled waterproof design with fog-resistant coating and O-ring sealed optics to keep views clear in adverse conditions - Remains functional and reliable even in harsh weather Use scenarios - Bird watching or wildlife observation in forests or open fields - Hiking, camping, or travel where durable, weather-resistant optics are beneficial - Sporting events, sightseeing, or long-distance landscape viewing where reach and clarity are important