40 reading magnifying glassDetailed product description：

Introduction to 40x reading magnifying glass:
1. Adjustable focus and equipped with a pure white LED light source to illuminate the scene, not limited by ambient light during use.
2. With a scale, it can accurately read the actual size of small items.
3. When the microscope is aligned with the observed object and the focus is clear, one small grid on the scale size of the microscope is equal to the actual size of 0.05mm; 0-1 is equal to the actual size of 1mm, and the measurement range is 0-4mm.
4. Magnify by 40 times, observe clearly and accurately, with a minimum grid value of 0.05mm.

Technical parameters of 40x reading magnifying glass:
1. 40X with light source
2. With angle and rotatable dividing plate (with scale 1DIV/0.05mm)
3. Wy02 specification: 50 × 23 × 138mm