Item GF-TX5EMSThe Digital E.M.S. (Electrical Neuromuscular Stimulator) is a battery operated pulse generator that sends electrical impulses to electrodes attached to the body and stimulates motor nerves, causes contractions, and relaxes the muscles.Indicated for: Muscle spasm relaxation Preventing or retarding disuse atrophy Maintain or increase range of motion Increase local blood circulation Muscle re-education Immediate post-surgical stimulation of calf muscles to prevent venous thrombosis Included: EMS unit Molded carrying case Instructions Accessories (1 pkg of 4 reusable electrodes, lead wires and carry case) Also required (not included): One 9-Volt alkaline or nickel-cadmium rechargeable battery. Features: Dual Channel - digital, isolated between channels Channel A and Channel B can each be set at different or same currents outputs Memory Function - unit does not lose patient’s key settings Current output in mA are shown on the digital screen Metal belt clip for strength rotates 360° Unit has patient compliance timer recording from 0 – 999 minutes All controls are covered to avoid accidental change of settings Top Function of E.M.S.:PR: Adjustable from 1 to 150 HzPW: Adjustable from 30 to 300 µsContraction ON Time: Adjustable from 1 to 30 secondsRelaxation OFF Time: Adjustable from 1 to 30 secondsRamp UP/DOWN Time: Adjustable from 1 to 6 seconds Federal law (USA) restricts this device to sale by or on the order of a physician.