The extended warranty will cover your system for four years or 4,380hrs of use, whichever comes first.
Should any primary component fail during the warranty period, the consumer may return the system to LiveO2 for repair or replacement.
What's not covered?
Pulse oximeters and consumables such as masks and breather hoses are not covered under this warranty.
Full details here:
https://support.liveo2.com/kb/warranty/#extended-warranty