Usb Digital Biological Medical Microscope VT101 Optical zoom in at 7x ,27x magnification let you enjoy free experiences ... transmitting data to PC, snapshoot, photo storage etc. Dimension(L×W×H):121.5×56×20.7 mmDisplay:1.8" 262k ... :White light LED×4pcsMagnification:7x~108xFunction Effects:Image view, Image zoom in, Image freezeImage Effect:Gray, Emboss, Inverse, Dual view(Moving ...