H-Wave Machine, made by Electronic Waveform Labs. Used by Chiropractors, Sports Medicine Specialists, and Physical Therapists for pain relief, and muscle stimulation. This unit comes with charger, pair of electrical leads, 22 electrodes, 6 Full bottle of H-Wave Conductive Ultra-gel, and carrying case, and patient instructions. Excellent condition, Used only a few times.. I am the owner. Was used to treat pain relief and healing of fractured dislocated ankle. These can cost up to $3,000 this is a bargain here, For more information check out the H-Wave website or Google H-Wave, Electronic Waveform Lab. For Security Paypal is accepted.