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)
Replacement: This Adapter is a Brand New Replacement One, High Quality Never USED (non-OEM)
Compatiblity: AC Adapter Replacement for Casio CTK-4000 CTK-558 Piano Keyboard Power Supply Cord Charger
Note: Please make sure the model of your device before buying
Customer Service: If there is any parts missing or damaged during shipping, please feel free to contact us via email. We will make every effort to provide you with a satisfactory solution within 24 hours.