IF-4000 Portable Interferential Unit

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Due to FDA regulation this item is only sold to licensed practitioners. Unit comes complete with device, AC adaptor, lead wires, four self-adhesive reusable electrodes, 9-volt batt ery, carrying case and manual Waveform: Symmetrical Bi-Phasic square Carrier Frequency: 4000 Hz Interface Frequency: 4001-4150 Hz Difference Frequency: 1-150 Hz, adjustable Output Voltage: 0-16 volts (through 500 ohms) Pulse Width: 125 Microseconds for each phase Four Frequency Shift: Continuous 1/1 abrupt, 8.8 abrupt, 10/10 ramped Show more