SW-1000 tens unit manufactured by Lumiscope before they were bought by Graham-Field, 60-250 microsecond adjustable pulse width, adjustable in frequency from 2 to 150 Hz, with the additional option sinusoidally cycle with a period of 4 seconds. Each unit has two outputs to control two independent connections through 4 electrodes. Virtually identical to another unit we have in stock (click here). Must have a license or doctor's approval to purchase; FDA rules and regulations. Tens units also available.

Dual channel (2 independent outputs)
Uses one 9-volt battery (included)
Pulse width: 60 to 250 microseconds adjustable
Pulse rate: 2 to 150 per second, adjustable
Output type: constant current during pulse
Current output: 0 to 80 mA, adjustable
Battery life: 70 hours
Weight: 4 ounces with battery
Extra features: 4 second sinusoidal cycle wave in intensity, fixed.
                         Total charge limit 16 microcoulombs per pulse.