7″ LCD Digital Heating Stage Biological Microscope

• Heating Stage Temperature Adjustable Range 30°~50° For Blood, Sperm View
• Total Optical Magnification 40x~640x, Digital Magnification 200x~2000x On Screen
• Coaxial Coarse & Fine Focusing Knob, Focus Range 20mm
• Transmit Light Source LED Brightness Powered By 12V DC Adapter