Barska's Battalion Military-Style binocular is 100% waterproof and fogproof with large objective lenses, fully multi-coated optics, BAK-4 prisms and plenty of magnification. Designed to meet military standards, fully rubber armored for shock protection and a comfortable secure grip. Built-in rangefinder and directional compass. Whether you're ashore or on the water, this binocular is designed to perform in the most demanding conditions. Fully waterproof and fogproof.