Picture yourself trying to detect and recognize who or what made that sound along the tree line at the edge of your property. You know you heard something; "who's there?" you ask yourself. Perhaps you're attempting to scan the shoreline looking for your friend's clam bake or survivors of a boating accident. Whatever your night vision needs are, sporting, search and rescue, or safe navigation of difficult terrain, the Night Optics USA D-112-MG will make the task at hand easier. This is a premium quality night vision goggle that is versatile, rugged and delivers every time you pick it up and turn it on.