UpBright 9V AC/DC Adapter Replacement For Casio Casiotone MT-240 MT-210 MT-205 MT-500 MT-520 MT-820 Piano Keyboard Synthesizer 9VDC Power Supply Cord Cable PS Wall Home Battery Charger Mains 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 9V AC / DC Adapter Replacement For Casio Casiotone MT-240 MT-210 MT-205 MT-500 MT-520 MT-820 Piano Keyboard Synthesizer 9VDC Power Supply Cord Cable PS Wall Home Battery Charger Mains PSU