Twin Stim Plus 2nd Edition by Roscoe Medical.

Features:

The Twin Stim Plus 2nd Edition is a TENS and EMS combo unit that features four channels, five TENS modes for pain relief, and three EMS modes for muscle stimulation. The Twin Stim Plus from Roscoe Medical is powered either by a 9 volt battery or by an AC Adapter (both included). Recommended mostly for back and neck pain.

4 Channel, isolated between channels.

Pulse Amplitude: Adjustable, 0-80 mA peak into 500 ohm load each channel.

Voltage: 40 Volts peak to peak on 500 ohms load.

Pulse Rate: Adjustable, from 1 to 120 Hz.

Pulse Width: Adjustable, from 50 to 400 microseconds.

Wave Form: Symmetrical biphasic square wave.

On Time: Adjustable, 1~30 seconds , 1 Sec./ step.

Off Time: Adjustable, 1~30 seconds , 1 Sec./ step.

Ramp Time: Adjustable, 1~9 seconds, 1 Sec./ step.

5 TENS Modes: B (Burst), N (Normal), M (Modulation), SD1 ( Strength Duration), SD2.

3 EMS Modes: C (Constant) S (Synchronous), A (Alternate).

Timer: Adjustable, from 1 to 60 minutes.

Includes 4 lead wires, self-adhesive electrodes, 9v battery, AC adapter, hard carrying case, belt clip, instruction manual.

13.8cm x 7.8cm x 2.8cm.

Singles.