• Four channel (8-lead) digital combo TENS and muscle stim (EMS)
  
• 3 TENS modes (Burst, Normal, Modulation)
  
• 3 EMS modes (Alternating, Synchronous, or Constant)
  
• Strong symmetrical biphasic waveform
  
• Separate intensity controls for each channel
  
• Fully adjustable parameters
  
• Treatment timer
  
• AC wall adapter or 9V battery power supply
  
• 1-year warranty
  
• Comes with 2 pkgs of 4 reusable self-adhesive electrodes, 4 each 36” pin lead wires, 1 each 9V alkaline battery, AC wall adapter, zippered carrying tote, and instruction manual
  
• Leadwire reorder #LWTWINB, #LWTWING, #LWTWINR, #LWTWINY
  

Technical Specifications

• Channel: 4 channel, isolated between channels
• Amplitude: Adjustable, 0 - 80 mA peak into 500 ohm load each channel
• Output Voltage: 40 Volts peak to peak into 500 ohm load
• Waveform: Symmetrical biphasic square wave
• Pulse Rate: Adjustable, from 1 - 120 Hz
• Pulse Width: Adjustable, from 50 - 400 microseconds
• 3 EMS Modes: Constant ,Synchronous, Alternate
• 3 TENS Modes: Burst, Normal, Modulation
• Timer: Adjustable, 1 - 60 minutes.
• Contraction Time: Adjustable, 1 ~ 30 seconds , 1 Sec./ step
• Relaxation Time: Adjustable, 1 ~ 30 seconds , 1 Sec./ step
• Ramp Time: Adjustable, 1 ~ 9 seconds, 1 Sec./ step
• Power Supply: 9V battery or AC adapter
• Size: 15.24 x 8.25 x 3.175 cm
• Weight: 192.7 grams with battery