ElectroTHERAPY TENS Pain Relief Pro Unit. A Personal TENS Unit for Multiple Pains. Omron Pain Relief Pro TENS unit is a versatile, yet simple option that offers more choices for more relief! Choose one of the eight modes to customize your therapy for when you have more than one body pain or use the massage-like modes just for relaxing. Available without a prescription, this powerful premium TENS unit helps manage muscle and joint pain in about 15 minutes,100% drug-free. It's safe and effective for home use (FDA cleared). Includes: unit, electrode cords, two Long Life pads, pad holder, cloth carrying case, 2 AAA batteries, instruction manual, quick start guide and pad placement guides. Limited 1 year warranty.