9-12v power supply = Yamaha PSR 510 540 Portatone keyboard electric cable plug

Multitester tested for voltage. Power supply EQUIVALENT for many YAMAHA keyboards. AC input 120V and DC output: 10V or 12V 700mA (aka: 12volt 0.7amps). Amperage can be higher, but never lower. Round barrel connector with a positive center. Please check your device for electrical requirements. Questions are encouraged. Photo is generic. Shape, size or color may differ from 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 JGrit USPS DELIVERY TIME: As stated in the item listing, seller will drop-off your item to the USPS within 5 days of receiving cleared payment. How long it takes to deliver to your door is strictly within USPS control and not within the control of seller. Please leave 5 stars for seller 5 day drop-off time. Thankyou.