TENS-2000 Electronic Nerve Stimulator

TENS-2000 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:
B (Burst) N (Normal) M (Modulation).
Comes with:
Carring case, 2 dual channel 360 degrees swivel lead wires, 29V batteries, 4 reusable electrodes, and manual.