... : Temperature 0-40degree, humidity< 90%, no erosive gas OPTIONS: Barcode reader: Code39, Interleaved 2 of 5 Code, Character Set C ... BCD codeFormat:26 kinds, each has 255 commands at mostInterface:RS232, USBHost:PC, LaptopWeight:8kgOperating system:Win2000, Win2003, Win XPPower ... humidity< 90%, no erosive gas We are the leading OMR Scanner Manufacturer in China, Our main products are: Optical Mark Reader ...