The IF 4K Digital Interferential Device offers multiple treatment modes and can provide up to two hours of treatment with batteries or unlimited treatment using the AC adapter.
Dual channel digital device comes complete with AC adaptor
Six modes of operation
Low battery indicator light
Automatic power off when unit not in use
Waveform: Symmetrical balanced sine wave
Beat Frequency: 2-160 Hz
Carrier Frequency: 4000 Hz
Modulating Frequency: 4002-4160 Hz
Timer: 15, 30, 45 and 60 minutes
Usage Timer: Maximum 999 hours
Power Source: 4 AA batteries or AC adapter