TENS-1000 Electronic Nerve Stimulator.

TENS-1000 Electronic Nerve Stimulator.
Dual isolated channels, two leads per channel.
Pulse amplitude (constant current):
Adjustable 0 - 80 mA, 500 Ohm load.
Pulse frequency: Adjustable 2 - 150Hz.
Pulse width (micro seconds):
Adjustable 60 - 250.
Wave form: Asymmetrical, Bi-Phase, square pulse.
Mode Selector: N (Normal).
Comes with:
Carring case, 2 dual channel 360 degrees swivel lead wires, 29V batteries, 4 reusable electrodes, and manual.