This unit is a two channel unit muscle stimulator with four waveforms and combination therapy. The Sys*Stim 226 provides the flexibility to meet virtually any clinical need and unprecedented ease of operation. Clinicians can choose from a broad range of waveforms with adjustable phase duration and frequency. The 226 can also be set up in the two-time mode so two separate treatment protocols may be run simultaneously. Treatment waveforms include Interferential, Pre-modulation, Medium Frequency and Biphasic with adjustable duration. Choose from Surge, Reciprocation, Surge with Reciprocation and Vector Rotation modes. Weighs 4.8 lbs. Includes: 1 - Package EZ Trode 2" diameter electrodes, 1- Package EZ Trode 2.75" diameter electrodes, 2 - Electrodes cables sets, 2 - Gray pin to banana adapters and an Instruction manual.