The Johari Digital Analgesic Pulsar AP-439 Multi-Waveform Stimulator is a cutting-edge technology designed for pain relief. With its advanced multi-waveform stimulation, this device offers a variety of therapy options to effectively treat different types of pain. The brand, Johari, is known for its commitment to providing high-quality healthcare equipment, making this stimulator a reliable choice for medical professionals and individuals seeking relief from chronic pain. Pre owned, it has been used a couple of times. Belts are a little bit stretched, but you can by new ones