A:Answer Hi Rocky,
First, you need to make sure that your CPAP machine is dual voltage - most are. Just check the power adapter label and look for INPUT AC 100V - 240V (or a variation of that). If that's there, then you're set on the voltage end of things. If you have any questions or concerns, please use the link below to reach us and also you can contact this phone number 877-467-4289 for further assistance.
Insignia Products
Nikki
https://insigniaproducts.com