Intelect Portable Electrotherapy for symptomatic relief and management of chronic pain and acute post-surgical or post-trauma pain. TENS is used to assist the clinician with symptomatic relief and management of chronic pain and acute post-surgical or post-trauma pain. Dual independent channels. Adjustable timer and frequency and pulse duration parameters. Features three modes: burst, normal and modulation. One-year warranty Includes lead wires, 9-volt battery, DURA-STICK Self-Adhesive Electrodes and a convenient carrying case.