Comes with the following:
Channel 1 frequency: 4000 Hz
Channel 2 frequency: 4001-4128 Hz
I/F Modes: Low-High, Low, Combo
Muscle Mode: 64 Hz, 6 sec. on, 6 sec. off, ramp up 1 sec., and ramp down 0.5 sec.
Waveform: Symmetrical biphasic