... rotable with wide-angle lens; the third camera is ok to be added as per clients’ requirements.2.Build-in Touch LED ... . Its scanning speed and convenience far exceed the traditional scanner.2.Omnipotence scannerScan book, note, notebook, paper, handwriting teaching material, ... Light SourceNatural + LED eloam scanner built in led light, 3.0mp, two lens, provide SDK with different requirement,S320