100-200X Magnification Biological Compound Monocular Microscope with Huygens Eyepiece for Home School Laboratory Biological Education Machine Parts Texting Students Kids Adults Features： [100X-200X High Magnification] Adjustable magnification, with mirror reflector, the images observed are of high brightness and clarity.  [Simple Construction] Easy to operate, suitable for adults, students, kids, and science enthusiasts, all can explore a wonderful science world with this simple machine. [Wide Application] Can be widely used for biological education, machines/electronic products/apparatus/complex parts texting, etc. [Sturdiness and Durability] Made from premium metal with exquisite workmanship, has steady performance, impact-resistant and durable.  [Compact Size & Light Weight] Does not occupy too much storage space or increase carrying burden, convenient for carrying during trip. Specifications： Color: Black & white Material: Meatl  Magnification: 100X/200X Objective Lens: 16X Objective Lens Working Distance: 4.5mm Huygens Eyepiece: 6.3x12.5x Focusing Range: ＞4cm Reflector Mirror: 4cm/ 1.5inch  Stage Size: 9 * 9cm/ 3.5 * 3.5inch Product Size: 26 * 16 * 11cm/ 10.2 * 6.2 * 4.3inch Product Weight: 661g/ 23.3inch Package Size: 30 * 19 * 14cm/ 11.8 * 7.4 * 5.5inch Package Weight: 800g/ 28.2inch Package List： 1 * Microscope 1 * Huygens Eyepiece