For less than 20 Euros expect.

When one receives the product was a moment's hesitation, it makes a little toy. But once connected even without manual in French it makes her. It is that he does what Job digital microscope. It allows me to clean without difficulty currencies, with a nice resolution and integrated LED lighting. For that price -20 euros that is exactly what I expected.
A small flat the ideal focal length is +/- 5 cm I liked a little more for more perspective but hey I return to the same tjs for 20 euros it's perfect