|The Night Owl Optics 4X Explorer Marine Night Scope is Night Owl Optic\'s top of the line, full-sized, night vision monocular. Its completely waterproof design allows it to float if dropped in the water, making it perfect for nautical use or search and rescue operations. This unit provides unsurpassed image resolution, and the highest grade, camera-quality objective lens available on a 4X magnifying night scope. It uses powerful infrared illumination that is invisible to human and animal eyesight, and Generation 1 Technology that amplifies ambient light 500X.Waterproof Design. Generation 1 Technology. All Glass Optics. Rubber-Coated Unit Frame. Camera Quality. Objective Lens. Easy to Use. Single-Hand Operation. Lightweight at 14.5 oz. Dimensions:7.60\" x 2.40\" x 3.82\"