USB6003 (78260801) Highperformance multifunction USB data acquisition module; PlugandPlay USB 2.0 Interface, easy installation; MultiChannel I/O Function 2 analog outputs, 13 bidirectional digital I/O; 16Bit HighPrecision Acquisition 16 singleended / 8 differential analog inputs; 32bit counter, supporting realtime voltage signal acquisition, frequency measurement, pulse counting, and analog output control.