Features: Small size, easy to carry with, convenient to operate. Widely used in biological specimens, ore jewelry, textile plate making, precision-parts, and professional tools for gardening. With microscope and magnification functions, direct lighting, detachable central specimen stand, portable and desktop dual-use. Key-observation: insert the microscope into the positioning hole of the central specimen base, clip specimen into the positioning clip of specimen base, and adjust it to a proper magnification for more stable key-observation. Use: aim the mirror at the object to be observed, adjust multiple converter to a suitable magnification (60x-100x), close the eye to the eyepiece, slowly rotate the focusing wheel of the mirror body until you can see the magnified images. If the sensitivity insufficient, turn on light switch to make the images more uniform. Specifications: Material: Plastics Length: Approx. 10cm/3.94in Magnification: 60x to 100x Zoom Battery: 2xAAA Batteries Needed(NOT Included) Package Includes: 1x Microscope note: 2xAAA batteries are needed(NOT Included) Please read the manual carefully before using it. Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.