Interferential Stimulator- Dual Channel IF4000

Dual Channel4000 MHzUnit comes complete with set of 2 wires pack of 4 silver/silver chloride self-sticking electrodes 9V alkaline battery ac adaptor instruction book and attractive carry case.Dual channel - quadra polarAdjustable pulse amplitudeCarrier frequency plus interference frequencySweep and treatment timers.Shipping Carton Size: 12 L x 10 W x 6 HHCPCS Suggested Code: E0730Interferential stimulators use a fixed carrier frequency of 4 000 Hz per second and also a second adjustable frequency of 4 001-4 400 Hz per second.When the fixed and adjustable frequencies combine (heterodyne) they produce the desired signal frequency (Interference frequency)