9v 9 volt DC power supply ADAPTER = Yamaha keyboard

Multitester tested for voltage. Power supply voltage EQUIVALENT toYamaha adapter and other keyboard adapters. AC input120V and DC output: 9v 700mA (aka: 9 volt 0.7A). Amperage can be higher but never lower. Barrel connector with a hollow positive center. Please check your device for electrical compatibility. Shape, size and color may differ slightly from photo. This item will not fit into a small flat rate box. Special heavy wrapping is provided to protect the prongs. S&H in the contiguous USA is $6.(insured shipping).Please see other interesting products 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.