This is the 90W Universal power supply for the AirCurve™ 11 series BiLevel machines by Resmed. It utilizes an AC power cord that works directly with North American (US & Canada) outlets. 

Please note: This product is designed specifically for use with the Resmed AirCurve™ 11 devices. While this cable does fit in the Resmed AirSense™ 11 power supply port, this power supply utilizes a 90W output, while the compatible, recommended output for the AirSense™ 11 devices utilize a power rating of 65W.