WEGUARD AC Adapter Charger for Yamaha Arius YDP-144 Digital Piano Power Supply Mains PSUInput Voltage： 100-240VAC 50/60Hz <br> Please confirm your device model before you buy our product.<br> OVP、OCP and SCP protection<br> 30 days refund guarantee<br><br> <b>How to contact us？</b><br> You can contact us directly from Your Account. Locate the order and click the "Problem with this order?" button. <br> Then select the "Contact Seller" button to send us an e-mail message. We would be glad to solve any problem for you within 24 hours. <br> Your support to our business and your patience on the matter will be really appreciated.<br><br>