The Veridian Healthcare 22-041 TENS Wireless with Remote Pain Management Solution has electronic nerve stimulation to provide temporary pain relief to shoulders, waist, back, neck, arms, and legs. It can be used with small or large pads. It has 6-Pulse frequency modes and 20-intensity levels and uses self-adhesive gel-style electrode pads that you can reuse up to 50 uses. Also has a programmable timer with 10-60 minute therapy sessions. Other features include automatic shut-off, single channel output, and a rechargeable internal battery.