Me, myself and I with the EDI 02 Rebreather at the source de l'Ain. (I've to confess it was overkill but I knew it !)
The EDI 02 can be either run as a passive addition SCR or with a minimal modification who can be made on the field as a MCCR.
A focus on the details of the Rebreather :
Dive Computer Explorer 0
Oxyeye 3 sensors control panel with electronic alarms, setpoint control, realtime sensor's voltage control and low battery alarm, from Carlo Marcheggiani