20-40X Optical Microscope includes the following features : 

• Optical magnification lens provide 20-40X magnification
• Eyepiece diameter: 24mm
• Built-in LED light, restore color to protect eyesight, fill light at any time, see more clearly
• Adjustable focus wheel
• Switch button for LED light
• Multiple regulating ring
• Suitable for children to develop their hands-on ability

Material :

• ABS and PMMA housing

Size closed :

• Length of 8 cm x Weight of 5 cm x Height of 12 cm