Portable Microcurrent TENS 2 channel
This Dual Channel Microcurrent / Micro TENS Unit has 3 frequencies: .3 Hz, 8 Hz, and 80 Hz. It changes polarity each second and has a modified square Bi-Phasic waveform. Timer has 3 modes: Constant, 20, and 40 minutes.
Carry case, stimulator, lead wires, 4 self stick electrodes, 9V battery, and instructions are included.