This is the Universal AC Power Supply with Cord is the external power supply used by all Z1 Series CPAP Machines. It includes a North American (US & Canada) AC Power Cord as shown.
Human Design Medical's DC Power Cord allows you to operate your Z1 series CPAP machine from standard 12V DC power sources like the cigarette lighter power sockets found in most cars, boats, trucks and other vehicles.
The Medistrom Pilot 12 Plus is a brilliant power solution for people with Philips Respironics CPAP/BiPAP Machines who need truly portable sleep therapy or a reliable backup for use during unexpected power outages. It's got a built in flashlight and USB port too!