Check the listing for details. Tens machine Physio tens unit, rebates, asseccories pain relief without drugs. Condition: New. Listed at 48.71 USD. Are you looking for an easy to use, reliable tens unit for pain relief? This PHYSIO TENS model is our exclusive brand that we use in our clinic and it is our bestseller with over 8000 units sold on Ebay alone. It is the most current model and has proven to be very helpful with pain control to various areas. The manual knobs to adjust the intensity make it a very easy and uncomplicated unit. We offer 5 year warranty, please contact us with any issues, we replace or refund asap. I can highly recommend this unit for chronic back/ neck/ knee pain also useful for labour pain You can use this unit with any size electrodes (replacement pads available in sizes 4/4cm, 5/9cm 5/5 cm as well as silver garments for foot and hand.