9v 9 volt power supply = CASIO CTK 810 710 510 keyboard cable plug electric unit

Multitester tested for voltage. This is a voltage EQUIVALENT wall mount version adapter for many CASIO keyboard voltage regulator, power supply, powersupply, inverter, adaptor. Please check your device compatibility before looking. Questions are encouraged. AC input 120V (ordinary household wall outlet plug). Amperage can be higher, but never lower. Round barrel connector with aNEGATIVE center. Photo is generic. Shape, size or color may differ from product photo.Special heavy wrapping is provided to protect the prongs. S&H in the contiguous USA is $6.(insured shipping).Please see other interesting items by JGritUSPS DELIVERY TIME: As stated in the item listing, seller will drop-off your item to the USPS within 4 days of receiving cleared payment. How long it takes to deliver to your door is strictlywithinUSPS control and not within the control of seller. Please leave 5 stars for seller 4 day drop-off time. Thankyou.