The InTENSity Select Combo II is a multifunction electrotherapy unit that is portable and has a user-friendly interface. There are four settings for different modalities included with this ergonomic design: Transcutaneous Electrical Nerve Stimulation (TENS), Neuromuscular Electrical Stimulation (NMES), Interferential Stimulation (IF), and RUSSIAN (RUSS). The wide-ranging capability of the InTENSity Select Combo II provides the most up-to-date treatment technology and waveforms. Equipped with pre-set body part specific settings as well as a customizable option, it intuitively guides the patient step-by-step to ensure the ideal therapeutic treatment throughout the healing cycle. This powerful device delivers up to 10,000 Hz of IF therapy and 2500Hz of RUSSIAN therapy for maximum treatment benefits. With the powerful rechargeable lithium ion battery, this portable device can be used at home, at work or on the go.