INSTURCTION Most of people experienced muscle spasm, tight muscle or other chronic pain of some kind. Transcutaneous Electrical Nerve stimulation is convinced one of the most effective measure to relieve the pain and relax muscles. Our MH serious TENS EMS Body massage machines are designed to help someone suffered from it. Benefit from our TENS Body Massager right away, and you will find its amazing efficiency of pain relief and relaxation. MH8002 TENS EMS Combo integrates EMS and TENS functions with 7 treatment modes. This unit is a hybrid stimulator which can be used for muscle stimulation and pain relief. The patient compliance timer can memorize 100 sets of therapy session records, the total record time is 400 hours 240 minutes for a single therapy session. TENS Symptomatic relief of chronic intractable pain relief Post-traumatic pain relief Post-surgical pain relief Massager EMS Relaxation of Muscle Spasm. Prevention or retardation of disuse atrophy. Increase local blood circulation. Muscle re-education. Immediate post surgical stimulation of calf muscles to prevent venous thrombosis. Maintaining or increasing range of motion. Output Mode - S: Synchronous, A: Alternative, N: Normal, M: Rate and Width Modulation, B: Burst, SD: Width Modulation, MR: Rate Modulation MH8002 Combo Channel Four, isolated between channels Intensity Adjustable 0-100mA, Max output 100mA peak to peak (22mA rms) into 500ohm load each channel. Wave form Asymmetrical rectangular biphasic pulse. Power source Power adaptor or DC 9V battery Size 13.5(L)x8.6(W)x2.3(H)(cm) Weight 160 grams (battery excluded) Pulse Rate 2Hz - 20 Hz in 1 Hz/step and 20 - 150 Hz in 5 Hz/step. Pulse Width 50uS - 400uS, 10uS/step. Output mode S, A, N, M, B, SD, MR Contraction Time 2 - 90 seconds Relaxation Time 2 - 90 seconds Ramp Time 1 - 8 seconds Timer 5 - 90 Minutes or continue. COMPLIANCE TIMER The patient compliance timer can memorize 100 sets of therapy session records; the total record time is 400 hours; 240 minutes for a single therapy session.