BioMedical Life Systems BioStim Digital INF has Three Pre-Programmed Sweeps.

• 1-10 Hz - used for Edema Reduction
• 80-150 Hz - used for Pain Relief
• 1-150 Hz - for total treatment.
• Easy set up and patient instructions.
• Bipolar stimulation using two electrodes where the interferential stimulation is already mixed or full interferential stimulation with the use of four electrodes.
• Waveform is pulsed sine, with a pulse width of 125 microseconds for each phase.
• Four frequency shifts: Continuous
  1-10 Hz over 6 seconds
  80-150 Hz over 8 seconds
  1-150 Hz over 10 seconds.

Features:

• Low battery indicator
• Timer for the desired treatment time
• Operates from four AA batteries (included) or the BioStim Wall Adapter (not included).

Includes carrying case and instructions. Measures 3.25" x 2.25" x 1 5/8"; weighs 8 oz. 3 year limited warranty.