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Do not base your order on the picture presented.
Dual channel microcurrent device
Unit comes complete with device, lead wires, four self-adhesive reusable electrodes, 9-volt battery, carrying case and manual
Wave Form: Modified square D.C Bi-Phasic pulses of 0.3 Hz, 8 Hz and 80 Hz changing polarity at intervals of 3 seconds
Timer: 20, 40, minutes or continuous