AmScope 40X-800X Student Cordless LED Biological Microscope w Coarse & Fine Focus + USB2.0 Camera 360&deg; Rotatable Monocular Offering Six Magnifications up to 800X View and/or Capture Snapshot Images or Video with Your Computer Co-axial Coarse Fine Focus; Single Lens Condenser with Disc Diaphragm LED Illumination by Wall-power and/or Batteries Sturdy All-Metal Framework