KFD products are UL / CE / FCC / RoHS certified, UL LISTED: Tested, Approved and Certified by UL. UL number is unique. UL testing is authorized by OSHA - US Federal Agency ; tested by the manufacturer to match and / or exceed the OEM specifications Warranty: 30 Days Free Exchange /36 Months Warranty; This adapters was made with the highest quality materials.V-0 grade flame retardant,OVP, OCP, SCP Protection (OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP: Short Circuit output Protection)100% compatibility with the original,more safety than other adapter Input DC: 12V-24V~12A Max Output:24V 3.75A 90W ;--Please confirm the specifications and plug size before purchasing!If you can't make sure,pls feel free to contact us Compatibility:ResMed Airsense 10 Series: AirSense 10, AirSense 10 Elite, AirSense 10 AutoSet, AirSense 10 AutoSet for Her CPAP Machine with HumidAir Heated Humidifier ;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 Products trademarked KFD are marketed and sold exclusively by KFD+ Serial number is 86629087