Feature:1. ACCURATE AND TRANSPARENT: The magnification of the pen microscope is 50x, ensures clear observation and accurate measurement 2. With LED: the portable LED magnifier has its own light source do illuminate the field of view and is not limited by ambient light when used 3. WITH SCALE: Can accurately read the actual size of small items. When the microscope is aligned with the object, 1 small cell on the scale corresponds to the actual size of 0,05 mm; 0-1 corresponds to the actual size of 1 mm, the minimum grid value of 0,05 mm, the maximum measuring range of 2 mm 4. APPLICABLE SCENARIO: Ideal amateur microscope do observation of coins, fabrics, worms, nature, printing, electronics, etc. 5. WITH BAG: The pen type microscope is small, lightweight and portable, featuring a do storage bag for easy storage and access, as well as preventing damage and loss . Pen Microscope 50X Clear Look Portable Specification: Item Type: Feather Type Microscope Battery model: 3 button batteries 32 mAh LR927 Product Multiplier: 50X (with scale) . Pen Microscope 50X Clear Look Portable How to use:Remove the product and turn it on to use it. . Pen Microscope 50X Clear Look Portable Package List:1 x Pen Type Microscope 1 x do storage bag . Pen Microscope 50X Clear Look Portable