MaxLLTo AC Adapter For Casio CTK-573 CTK-591 Keyboard Wall Charger Power Supply Cord PSU 6 FT Extra Long AC Adapter For Casio CTK-573 CTK-591 Keyboard Wall Charger Power Supply Cord PSU Input: AC 100-240V, 50-60Hz; Output: DC 9V 850mA; Cable Length: 6 FT Great for Casio Replacement,US Standard Plug, Overload Protection,Short Circuit Protection,Over voltage protection. Compatible with:Casio CTK-573 CTK-591 Keyboard MONEY BACK GUARANTEE -MONEY BACK GUARANTEE - We are Company that wants your Repeat Business so, if You Do Not Like our Product or Don't Want It For Any Reason, We Will Happily Accept The Return and Give Your Money Back. No Questions Asked. 30 Days Money Back Guarantee - 24 Months - Exchange.