Material: Metal. Eigenschaften: PORTABLE. Theorie: Biological Microscope. Eigenschaften: High Definition. Eigenschaften: Digital. Electronic eyepiece interface: USB Function 2: children's microscope Function 4: endoscope Function 6: microscope slides Function 10: led Light stand Function 1: Monocular microscope Function 3: micro scope Function 5: laboratory microscope Function 7: stand adjustable Function 9: professional education microscope You can place the test item on the board for close observation