If you are looking for diversity in an e-stim unit, this device has enough settings to keep you playing for hours.  With the a/c adapter that is included with this unit, no need to worry about batteries wearing out just when you need power the most to get you off.  We will also throw in two of our Choker's (conductive loops) to make your experience even more pleasurable.  :)

 

This unit is a little larger than most normal TENS units, as it has a large digital display for each channel and the settings on the control panel.  It measures 3" wide, 5-1/2" long and is 1" thick.  It also has a nice large steel spring clip on the back of it to fasten to a belt should you just want to walk around all charged up.

The Main Controls (13 soft rubber buttons) are covered by a sturdy door directly beneath the digital controls. Once you set it up, you won't accidentally bump a button and disturb your settings.  It has a nice set of rubber grips on each side of the unit enabling a good grip should you happen to have some lube on your fingers, which as we stimmer know, happens a lot.
  

Twin Stim Plus 2nd Edition- 4 Channel Digital TENS & EMS Unit

The Twin Stim Plus is a high quality 4 channel, 8 electrodes, TENS and EMS combo unit.

 

The Twin Stim Plus gives the user the choice of 3 modes of TENS and 3 modes of EMS. Unit can be powered by 4 AA batteries or by it's AC adapter, included for free. This is the best 4 channel unit on the market!!!

 

Description:
Channels: 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 300 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

3 EMS Modes: Constant ,Synchronous, Alternate
3 TENS Modes: Burst, Normal, Modulation
Timer: Adjustable, from 1 to 60 minutes.
1 Year Manufacturer Warranty
System Includes: Stimulator, 4 Lead Wires, 2 package of high quality Self-Adhesive Electrodes, 4 AA batteries, AC adapter, Soft Carrying Case, Instruction Booklet.

NOTE: This unit is sold for sexual stimulation play only.  It is not being sold for any other purpose or as a medical treatment unit.  Do not use above the waist, only below it.