Transcutaneous Electric Nerve Stimulator(TENS) is an electronic, non-invasive, drug free method of relieving pain. It gives immediate relief of pain without the undesirable side effects of NSAID like Gastro Intestinal upsets & diarrhea . An ideal treatment option for physicians who are confronted with patients who reduces the incidence of NSAID (Non Steroidal Anti-inflammatory Drug) induced ulcers. Single channel operation. Economical & only utilize 2 electrode. Portable. Lcd display & Digital operation for more accurate indication. Ergonomic design. Large buttons for easy operate. 6 different stimulation modes. Maximum output to 200 Hz for more severe pain. Intensity adjustable to level 9. Preset 10 minutes timer.