EPtech AC / DC Adapter For Casio Digital Piano Keyboard WK-6500 WK-6600 WK-7500 WK-7600 Wall Charger Power Supply Cord AC Input 100V-240V 50-60Hz;DC Output Industry Quality : Over voltage protection, Over heat protection, CE Brand New Adapter, 100% Compatible Warranty:1 year warranty, 30 day money back guarantee Shipping from USA !