UST Explorer's Tool Pocketable, multi-function tool with compass, adjustable binoculars, monocular signal mirror, and magnifying glass Fold out binoculars; powerful and adjustable aplanatic lenses for seeing great distances Use as a magnifying glass for examining small insects and forest details Measures 4 x 2 inches when closed; weighs 0.8 ounces; backed by a two-year manufacturer's limited warranty