Include 2” x 2” sample electrodes, lead wires and a cover for the top controls. Measured 24 x 64 x 95mm.

Deluxe Intelec TENS Unit Specifications:
Channels:               Dual, isolated between channels
Waveform:              Modified square wave with zero net DC components
Pulse Amplitude:   0 to 80 mA each channel, adjustable (500 ohm load)
Pulse Frequency:                  2 to 150 Hz adjustable
Pulse Width:           50 to 250 µs, adjustable
Modulation Mode:                 Pulse width is automatically varied in cyclic pattern
  over an interval of nominally 4 second.
Burst Mode:            7 pulses per burst
                                  2 bursts per second
                                  100 Hz internal frequency of burst
Maximum Charge: 20 microcoulombs per pulse
Timer:                      30, 60, or constant time