Product Review

Features:
4 Pairs of replaceable lens with different magnifications (10X, 15X, 20X, 25X) with can be used for dofferent occasion
2 left/right magnifying eye patches with LED on the lens bracket. You may use two lens barrel alternately to eliminate visual fatigue and improve work effectively.
Eye patches can be moved 5mm leftwards and 5mm rightwards. Face width and distance between left/right eyeballs can be adjusted to adapt to the central position of eye patches between both eyes.
Eye patches can be rotated 180 degrees upwards and downwards on the bracket. It's not required to to take down the whole lens bracket when the magnifier is not used temporarily and you can reuse it conveniently.
This product comes with extra interchangeable headband which can effectively solve such as falling-off problem.
Widely used in mechanical processing, electronic repair, jewelry appraisal, timepieces repair and miniature engraving, etc.
Angle of the LED light is adjustable.

Technical specification:
Magnification : 10X, 15X, 20X, 25X
Net Weight: 120g / 4.24oz (including 4 pairs lens)
Battery: 3 * 2 LR1130/AG10 cell button batteries

Distance to viewed object:
10X: 0 ~ 46mm
15X: 0 ~ 37mm
20X: 0 ~ 25mm
25X: 0 ~ 21mm

Note: Short Focal Distance from lens to product is 0.2-1.8 inch (about 0.2-5cm), just like the principle of microscope. Can not use your right and left eyes to watch at the same time, just only one eye.