PowerTool Identification Guide
Use this guide to identify the PowerTool version you have.
Version 4 Units are outwardly identical to the latest version 5 PowerTools.
To be sure its a version 4 check that the width of the sensor is 85mm across the outer faces.
Version 4 units do not work with Apple iOS devices, they only work with Palm Tungsten E2's
Larger than the version 4 and 5 is the version 3 PowerTools which are 100mm across the outer faces.
It is important to note that these units are notrechargeable.
There are no connections for power.
The version 2 PowerTool is basically a white, metal box with the the GymAware logo on it.
It has two magnets on the bottom with the tether coming out the top.