UpBright 12V AC/DC Adapter Replacement For Casio CTK-811EX WK-500 Privia PX-200 PX-400R PX-700 PX-575 CTK-811 EX WK500 PX200 PX-400 R PX400 CTK811EX CTK811 Synthesizer Keyboard Piano Workstation PSU World Wide Input Voltage 100-240VAC 50/60Hz. OVP, OCP, SCP Protection (OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP: Short Circuit output Protection). Tested Units. In Great Working Condition. UpBright 30 days money back guarantee. 1 full year service warranty. UpBright New Global 12V AC / DC Adapter Replacement For Casio CTK-811EX WK-500 Privia PX-200 PX-400R PX-700 PX-575 CTK-811 EX WK500 PX200 PX-400 R PX400 CTK811EX CTK811 PX700 PX575 Synthesizer Digital Keyboard Piano Workstation DC12V 1500mA 12VDC 1.5A - 2A 12.0V Switching Power Supply Cord Cable Charger Mains PSU