Safety: Our Products are CE / FCC / RoHS certified, tested by the manufacturer to match and / or exceed the OEM specifications. OVP, OCP, SCP Protection (OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP: Short Circuit output Protection) This Adapter is new replacement, not original Compatiblity: 12V 2.5A 30W AC/DC Adapter Replacement for Homedics QRM-400 QRM-400H QRM400 QRM400H Quad Roller Massage QuadRoller Chair Massaging Cushion 12VDC 12.0V Power Supply Cord Battery Charger Note:please make sure the model of your device before buying Accessory USA 12V 2.5A 30W AC/DC Adapter Replacement for Homedics QRM-400 QRM-400H QRM400 QRM400H Quad Roller Massage QuadRoller Chair Massaging Cushion 12VDC 12.0V Power Supply Cord Battery Charger