Multitester tested for voltage. Power supply voltage EQUIVALENT to Yamaha adapter and other keyboard adapters with the following: AC input 120V and  DC output: 12 volt 0.3A (aka: 12vdc 300mA). Amperage can be higher but never lower. Round barrel connector with a hollow positive center. Please check your device for electrical compatibility. Shape, size and color may differ slightly from photo.

Special heavy wrapping is provided to protect the prongs. S&H in the contiguous USA is $5.(insured shipping).
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USPS 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 strictly within USPS control and not within the control of seller. Please leave 5 stars for seller 4 day drop-off time. Thankyou.