Do you need prescription strength pain medication? Device muscle stimulators and electric massagers that provide pain relief, can be used as a muscle massager or shoulder massager, provide carpal tunnel relief, and can be used as a muscle relaxant (great for muscle recovery)Over 1,007,000 devices sold: the leader in consumers' favorite back pain relief devices and physical therapy devices that provide immediate, long-lasting drug-free muscle pain relief for back pain, neck pain, tennis elbow and bursitis.LEADING THE WAY SINCE 2008: For more than 10 years, the device has been a healthcare professional's favorite for drug-free back pain relief, treating common ailments such as neck pain, carpal tunnel relief, arthritis, shoulder pain, knee pain, elbow pain, leg pain and foot pain.IMMEDIATE PAIN RELIEF: The Electrotherapy Unit is equipped with a variety of treatment modes for immediate relief of muscle pain. It is a first-class leader, equipped with all the electrotherapy machines and electric muscle massagers needed for TENS therapy. The pulse amplitude or intensity level can be adjusted in 10mA increments from 0-100mA, controlled by the corresponding knob on the top of the unit, for two channelsDual Channel Therapeutic Apparatus: The 7000 TENS unit provides TENS therapy and is a muscle stimulator, nerve stimulator and electric massager. It has independent dual channels that control four (4) TENS electrotherapy pads (electrodes) for targeted pain treatment.