cheap visual presenter

can show the area of  A4 size

 1) metal body, the body can be altered arbitrarily required height according to the inn to be converted separately fixed in the booth and desk. Folding design, simple structure and stable, the volume is only 1/10 the size of an ordinary scanner, ideal for mobile office.
2) equipped with five megapixels sensor chip, distortion-free lens, clear imaging, low chromatic aberration.
3) USB2.0 interface, transfer rate up to 480Mb / s, 1 seconds to be taken picture archiving and unique peripheral interfaces plus a rubber protective ring, reduce collisions disconnection phenomenon, plug and play, energy saving and environmental protection.
4) Built-in LED lights, in low light environments can shoot very effect, in addition it can also be used as eye lamp use.
5) with a dedicated scanning the document table, so that the location of the file scanning is more accurate and convenient place.