Multifunction 20 Bit USB DAQ: USB Data Acquisition Module; 20-bit, 1 MHz, 32 AI, 32 DIO, 5 C/T, No Enclosure.Key Features:*32SE or 16DI analog input channels, ±10V range, 20µV, 1ppm resolution.*Very High-Speed: Up to 1 MHz sampling.*Low Noise, Low Crosstalk