magnifier: 1:Lens diameter:125mm 2:magnification:3X 5X 8X 10X magnifier Features: ... 5. Magnification: 3X, 5X, 8X, 10X 6. Power: 22W 7. Lens diameter: 125mm 8. Specifications: a clip, desktop, desktop folders, floor ... , safe and convenient to use 10. Application: collectors, medical workers, beauty salons, engineers, and other readers