Ultima Neo (TENS, EMS, IFC, Micro) Advanced Multi-Mode Stimulator With Li-ion Rechargeable Battery. Includes: Device, batteries, lead wires, 1-4pack of electrodes, carrying case and users manual. The Ultima Neo is an Advanced multi-mode electrotherapy stimulator that combines enhanced TENS, EMS, Interferential, and Microcurrent. It is dual channel device and includes the function of our most advanced TENS and EMS modes with body part diagrams, as well as an advanced Interferential device with sine wave technology, and a very state-of-the-art Microcurrent mode. The Ultima Neo operates on an ultra sleek, high capacity lithiumion battery which allows the user to use the Interferential function without being tethered to the wall, as well as long battery runs on the TENS/ EMS and Micro modes. Warranty 1-year, no-questions-asked warranty against all mechanical defects.