The ActivBody Control Unit is sold separately (with User Guide) for those currently using an ActivLife TENS system but would like:

a replacement due to loss or damage
a second unit of the same system so that one can always be on recharge
the added functionality of a second ActivLife unit without purchasing the entire system
THIS PRODUCT IS NOT A COMPLETE STARTER KIT – IT DOES NOT INCLUDE ELECTRODES, CONNECTING LEAD AND BATTERY CHARGER