Professional Adapter Charger for Yamaha keyboards series. Input: AC voltage 100V-240V, 50/60 Hz, Output: DC 12V Maximum 2A | Note: If the power requirement of the Keyboard is higher than 12V (volts) or higher than 2A (amps). The adapter will not work. | Package includes: Adapter charger has extra long cable 10 feet. Security quick charge, protect the Yamaha keyboards, cell loss and aging. | Compatible with Yamaha Keyboards: Suitable for Yamaha PSR, YPG, YPT, DGX, DD, EZ, PSS, YDP and P digital piano and portable keyboard series. (See the description for more details) | [ 1-year warranty. Permanent customer service. If you have any questions, please contact us. ]