This is the Respironics brand OEM 65 watt AC power supply for the DreamStation series of CPAP and BiPAP machines. This power supply is slightly smaller than the standard 80 watt power supply that comes with the DreamStation units from the manufacturer. This power supply is designed for traveling with the DreramStation unit without the humidifier. It also has a USB port for charging other devices. This part is just the power supply and cord. Philips also offers a travel case that includes the 65 watt power supply, that part number is
1120135.