Tens tp001-

Two(2) pair of lead wires
Four(4) pack of reusable TENS unit pads(electrodes)
One(1) 9-volt battery
Quick start guide instruction manual
Hard carry case
The TENS unit is equipped with five(5) powerful TENS therapy modes of operation
to tackle back pain, neck pain, joint pain, or as a muscle relaxer.

The modes are:

Burst
Normal
Modulation
Strength Duration 1
Strength Duration 2
Intensity of the TENS device is controlled via two control knobs that allow you to control
the stimulation power of the dual channel pulses. Each channel controls 2 electrode TENS unit pads.