1. This waterproof, fog-proof, dust-proof, shockproof monocular, built in lens dust cover and o-ring sealed optics could prevent lens from dust/moisture/debris, ensures the living waterproof function, fit for the most weather and environment 2. TRANSMITTANCE: All-Optical Full Multi-Coated Broadband Green Film Coated With Bak-4 Prisms which makes your view brighter and clearer. High Light Transmittance Reaches Up To 99.5% 3. Solid Framework and Rubber Armor with Stripes - Its tight fitting protection makes it usable to withstand the toughest weather conditions. And The rubber armor with stripes makes it comfortable for use and keeps it from slipping out from your hand. 4. 12X High Power Magnification - Have the view in your outdoor adventures. To see 12X closer with a clear and bright image with 50mm objective diameter wide lens. Perfect for Hiking,Hunting,Climbing,Birdwatching, Watching Wildlife and Scene