Measurement Computing USB-1608G Multifunction DAQ Module 16 Analog Inputs, 8 Digital I/O, 2 Counter Inputs and 1 External Trigger Aggregated Measurement Rate of 250 kS/s Across all Channels. (1 Channel = 250 kS/s; 2 Channels = 125 kS/s) 16-Bit Analog Inputs Support Ranges of +/-10 Volts, +/- 5 Volts, +/-2 Volts adn +/- 1 Volt per Channel 32-Bit Counter Inputs Count TTL Pulses up to a Frequency of 20 MHz Includes MC DAQ Software Suite (Available as a Download) and USB Cable