... waterproof 700x zoom USB microscope /Endoscope 4 led 10mm lens Descriptions: This USB Microscope/Endoscope ... status of banknote, coin, antique, jewelry, textile, ear canal, eardrum, oral cavity, household machine such as ... arc length, and angle* Focusing: Manual focusing* Light source: Adjustable LED illumination (USB interface)* Pixels: 1.3-2M* ... ,700x usb Endoscope 4 adjust led light 10mm lens dropship