Portable TENS units and other portable electrotherapy units ship in carrying case with electrodes and instructions manual.
Portable Electrotherapy Units – Fabrication Enterprises, Inc. – 13-1551
$50.00
Icy Hot Smart Relief lower back TENS pain therapy set

Portable Electrotherapy Units - Fabrication Enterprises, Inc. - 13-1309
CanDo® Digi-Squeeze® Hand Exercisers - Fabrication Enterprises, Inc. - 10-1996 