What is the difference between Activforce 1 and Activforce 2?

What differences are there between the original orange Activforce and Activforce 2?

The original Activforce measures peak force whereas Activforce 2 will also measure average force and force overtime. Activforce 2 also incorporates a sensor for measuring active and passive range of motion.

The Activforce 2 comes with some additional accessories and features:
 - A cushioned pad for more comfortable testing
 - Built-in inclinometer to measure ROM
 - Belt loop for testing more dominant and stronger muscle
 - Hand and leg strap to secure it to the patient while testing