IF-4000 interferential therapy unit portable/battery AC adapter complete

Description

4 Modes. Continuous 1/1 abrupt 8/8 abrupt 10/10 ramped. Frequency shift: from 25% below set frequency to 55% above. Carry Frequency: 4000 Hz. Modulating frequency: 1-150 Hz. Wave form: symmetrical bi-phasic square. Includes stimulator lead wires 4 self stick disposable electrodes 9V battery AC adapter plastic carrying case and instructions.