Nitelog® is a wonderful mobile companion for the Z1® and Z2 Auto™, one of the lightest CPAP machines available. Use the app to control the Z1® or Z2 Auto™, monitor sleep quality on beautiful charts, generate compliance reports and share data with your healthcare provider. At only 10.5 ounces, it is a great everyday CPAP machine that is also ideal for travel. Slip the Z1® or Z2 into the PowerShell® integrated battery and you have a full night of cord-free therapy. Enjoy! Please reach out to [email protected] for any technical support needs.