BestCH AC Adapter for Sound Oasis S-550-05 S-550-05-01 S-550-05-03 S-550-05-04 S-550-05-05 S-550 S-550-06 S-550-06-02 S-550-06-03 S-550-06-04 Sleep Sound Therapy System Power Supply

Product Specifications: ? Plug Type: US prong ? Input Voltage:AC 100-240VAC Worldwide Use ? Input Frequency Range: 50-60Hz Kindly Note: ? This item is replacement power adapter ,not Orginal/Genuine. ? Please be kindly informed that the total wattage of the device should not exceed the max wattage (shown on the adapter's label) of this adaptor ? And we suggest it to be de-rated 10%-20% when using to prevent overheating Warnings: ? Don't open or modify the power supply / power cord/ power cable ? Please leave children, kids far away from high voltage power source ? Please use it under professional electrician's guides ? Any abuse or improper use will void warranty