AC Charger for Casio WK-200 Keyboard 9V AC/DC Switching Power Supply Cord Adapter Charger for Casio WK-200 Keyboard 9V AC/DC Switching Power Supply Cord Adapter Input Voltage : AC 100-240V Input Frequency : 50-60Hz Adapter Great for Replacement,US Standard Plug, Compatible with:Casio WK-200 Keyboard. Short circuit Protection.Light in weight and with heavy-duty cable-wire. 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.