NI-9205, NI-9263, NI-9401, and cDAQ-9174 USB Voltage Measurement Bundle includes NI-9205 C Series Voltage Measurement Module, NI-9263 C Series Voltage Output Module, NI-9401 C Series Digital Module and the cDAQ-9174 CompactDAQ chassis for voltage measurements. The NI-9205 and NI-9263 help you with voltage measurement and generation and support NI programming environments as well as Python, ANSI C, and C#.MATLAB software from MathWorks. The NI-9401 features a configurable digital I/O interface for input or output in 4-bit increments with 8 bidirectional channels. The bundle also includes a terminal block for the modules, a junction box kit for strain relief and operator protection from high-voltage signals, and a table-top chassis mounting kit.