Premium training Autonomous External Defibrillator
equivalent to a training defibrillator at 500 euros.

COVID compatible as each person can use their phone.

Print two "electrodes" per person (see site for files)
put glue behind and a wire if you wish.

https://sites.google.com/view/python-pour-les-profs/dae?authuser=0

Ask your attendees to install the free app or buy this one ;-)