COMPATIBILITY - with Resmed S10 Series ResMed Airsense 10 Air sense S10 AirCurve 10 Series CPAP and BiPAP Machines; ResMed Airsense 10 Series: AirSense 10, AirSense 10 Elite, AirSense 10 AutoSet, AirSense 10 AutoSet for Her CPAP Machine with HumidAir Heated Humidifier FITS - for Resmed CPAP and BiPAP Machines S10 370001 +24V 3.75A 90W; ResMed AirCurve 10 Series CPAP and BiPAP machine: AirCurve 10 S BiLevel Machine, AirCurve 10 VAuto BiLevel Machine with HumidAir Heated Humidifier ; ResMed Air Sense 10 Autoset Model#1104485 & ResMed 90w AC Adapter IP22 Model#370001 // This is Round tip with Pin inside, It's only compatible with Resmed S10 POWER SPECS - Output Max: 24V 4A 96w max / Input Volt Range: 110-240V / Tested Units. In Great Working Condition. We guarantee our products will charge your device as efficiently as the original charger. In addition, our products are in compliance with top industry standards. // OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP: Short Circuit output Protection 30 DAYS MONEY BACK AND 3 YEAR WARRANTY - we offer a no-questions-asked full money back guarantee within 30 days of purchase. And we will exchange your product free of charge should it become defective for 3 years from the date of purchase.You can contact with us any time! WHAT YOU GET - 1x Power Supply; 1x Free US power cord; 1x user manual