Night Owl Optics Explorer Marine 4X Waterproof Night Vision Monocular - NOCX4M boasts a completely waterproof design, which can be utilized in extreme weather conditions often faced during nautical use. Floating and rubber-coated in night blue, the lightweight Night Owl Waterproof Night Vision Monocular Explorer Marine NONM4X-MR is the perfect instrument for marine use or search and rescue operations. Night Owl Optics Night Vision Waterproof Monocular Explorer-Marine NONM4X-MR boasts Night Owl two-piece body construction and Night Owl exclusive steel stringer system for added precision. The Russian-designed night vision light-amplification module inside Night Owl Optics Explorer Marine Night Vision Monocular NONM 4X-MR boosts available light and hurls it against a phosphorescent screen, yielding green but crystal-clear images in near darkness. With Night Owl Explorer Marine Series Waterproof Night Vision Monoculars NONM4X-MR you can see without being seen - never again will snooping grizzlies or rival spie