?Magnification Ratio: 2000X ?Material: Metal ?Features: High Definition ?Features: PORTABLE ?Features: Digital ?Theory: Biological Microscope ?Drawtube: Video microscope ?Stage: stage + vernier caliper ?Light source: up / down LED light source ?Display: 7-inch LCD ?Adjust the focal length: Coaxial coarse and fine adjustment ?Uses: Biological experiment, student education, gift. Microscopes with solid metal frame and coarse/fine focusing knobs, ensures detail and precise focus adjustment, crate a image more clearer and sharper. Top and bottom LED simultaneously brightfield, provide high-resolution color-corrected images.Meet all your observation need. This microscope is designed to help students/kids/adults/beginner/amateur scientist/hobbyists exploring the fantastic world of the life. It is ideal for school,laboratory or home teaching, one-on-one instruction.