The TheraTouch EX4 (4 channel) and EX2 (2 channel) is an advanced four-channel electrotherapy system offering a wide range of treatment options in one user-friendly, ergonomic design. Equipped with a bilingual menu-driven touchscreen interface, the EX4 guides clinicians step-by-step through treatment protocols to ensure the ideal therapeutic treatment - including electrode placement for better treatment outcomes. 4 channels of stimulation with the following waveforms: Interferential, Premodulated, Biphasic (Symmetrical, Asymmetrical, RAAS), NMS, Russian, High Volt, Microcurrent. Unit has eight preset clinical protocols for stimulation, with ability to customize parameters and save up to 99 user-defined protocols for future use. Three year warranty.