I have a brand-new, never used GEM-STIM GM3A50T transcutaneous electrical nerve stimulation (TENS) unit available. It comes in original packaging, with lead wires, self-adhesive electrodes, 9V battery, instruction manual and carry case. Model supports dual-channel output, burst/continuous/modulated modes, adjustable pulse width & rate.
Price: Asking $15 (cash pickup in North Berkeley).
Condition: Unused, original packaging, only opened to inspect.