The Sys*Stim 206 is a one-channel neuromuscular stimulator that features four different waveforms in a light-weight package. The narrow pulse is suited for TENS while the wide and AC pulses can be used for muscle stimulation. Direct Current can be used to stimulate denervated muscles or perform iontophoresis. The Sys*Stim 206 is an ideal companion to the Sonicator 716 for combination therapy. Weight: 5.6 pounds (2.5kg) Dimensions: 4.3 in (H) x 6 in (D) x 13.4 in (L), (11cm (H) xl 15cm (D) x 34cm (L)) Warranty: 1 year NOTE: This device is a controlled by the Food and Drug Admistration (FDA) and can only be sold to a licensed Purchaser or have a Prescription for Device. Verification must be provided to ship unit !!