The EM 59 Heat is a digital device that uses transcutaneous electrical nerve stimulation (TENS) to relieve pain and stimulate muscles without medication or side effects. It also offers massage and muscle tension relief, with 64 pre-programmed applications available. The device also has an EMS function, allowing for muscle toning or regeneration. The heat pad, which can be used individually or in parallel with a TENS program, further relaxes the body. The device offers a Doctor s Function with customizable programs to match personal therapy programs. The set includes a digital TENS/EMS device with a heat function. The device is safe for use and can be used individually or in parallel with a TENS program.