Multitester tested for voltage. Power supply voltage EQUIVALENT to Yamaha adapter and other keyboard adapters with the following specs: AC input 120V and  DC output: 10VDC 1000mA (aka: 10 volt DC 1.0A). Amperage can be higher, but never lower. Please check your device for electrical compatibility. Photo is generic. Shape, size and color may differ from photo. Round barrel connector with a hollow POSITIVE center.

S&H in the contiguous USA is $6.(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.