7″ LCD Biological Digital Microscope, 2.0M, USB+AV+TF Card

• Optical Magnification 40x-400x, Quarduple Nosepiece With 4x10x20x40x Objectives
• Working Stage With Attachable Slide Ruler 110x115mm, 6 Holes Disc Diaphragm
• Up+Bottom LED Light, Coaxial Coarse & Fine Focusing, Gift Handle Bag In Carton Packing