| Brand | 1818 |
|---|---|
| Main Purpose | Pain Relief |
| Type | Electrotherapy |
| Unit Type | Unit |
| Manufacturer Warranty | NA |
| Model | Century 2100 |
| Material | Plastic |
| MPN | NA |
Check the listing for details. TENS (Transcutaneous Electrical Nerve Stimulation) unit kit, model 1818 Works. Condition: Used. Listed at 17.10 USD. • Main TENS unit (black box) – the electronic stimulator that generates small electrical pulses. A TENS unit is used for pain relief therapy. It works by sending mild electrical impulses through the skin to stimulate nerves, which can reduce pain signals going to the brain and promote endorphin release.