Interchangeable Type Magnifiers, this is really great.  2 LED light on the handle which works great.  You have 3 lens each with a different magnification.  The larger one is 2.5x, the mediumis 5x and the smaller is 16x.  Very easy to switch out, just squeeze the little button on the side and pull, the snap the other one in.  They work great and such a bigger sized lens that you can actually see things with out squinting.  Nice handle with rubber to help it not to slip out of your hands.    Thank you for allowing me to try your product  I recommend this product. Disclosure: I received this product at a discount in exchange for my honest review.

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