... Interfaces: RS232, PS2 keyboard, USB or others Specification Light Source Type: 650nm visible laser diode Nano Use: Handheld Error ... EAN-8, EAN-13, UPC-A, UPC-E, Code 39, Code 93, Code 128, EAN128,Codaber, Industoal 2 of 5, Interleave 2 ... of 5, Matrix 2 of 5, MSI, China Post code and so on. Support Interfaces: RS232, PS2 keyboard, USB ... ,Reading angle of elevation: 60 °,Reading angle: 45 ° barcode scanner