Intelect IFC Portable Unit For symptomatic relief and management of chronic pain and acute post-surgical or post-trauma pain. By producing a high frequency carrier waveform that penetrates the skin more deeply than a regular TENS unit, the IFC unit typically has less user discomfort for a given level of stimulation. The Intelect IFC Portable Unit Includes lead wires, 9-volt battery, Dura-Stick® Self-Adhesive Electrodes and a convenient carrying case. Features of the Intelect IFC Portable: NOTE: A prescription is required for all of the ElectroMedical Devices unless you are a licensed healthcare professional or licensed reseller. Please fax your prescription to (866) 425-3209. You may also have your clinician send us an email as a prescription order to [email protected] or fax it to us directly. Certain clinical therapy models are available for Sale only to licensed HCP or Resellers.