Intelect Portable Electrotherapy Neuromuscular Electrical Stimulation. For the prevention of disuse atrophy as well as muscle re-education, increasing range of motion and increasing circulation. Dual Independent Channels. Adjustable Pulse Amplitude, Pulse Frequency and Contraction/Relaxation Time parameters. Includes lead wires, 9-volt battery, Dura-Stick Self-Adhesive Electrodes and a convenient carrying case.