Digital 4-Channel Ems/Tens Unit, Portable/Battery Or Ac Adapter, Complete

3 TENS Modes and 3 EMS Modes.

Variable pulse rate and width.

Variable ramp time.

Variable contraction/relaxation time.

Wave: Symmetrical bi-phasic square pulse.

2 timers and compliance meter.

Comes with 8 electrodes.

Unit can be powered by either AC adaptor or 4 AA batteries.

Includes: Stimulator, 4 Lead Wires, 2 package of high quality Self-Adhesive Electrodes, 4 AA batteries, AC adapter, Soft Carrying Case, Instruction Booklet