Multitester tested for voltage. This a voltage EQUIVALENT power supply adapter used for YAMAHA pianos and keyboard synthesizors with the following specs:  Input: AC 120V and DC Output: 12V / 1.5A (aka: 12 volts DC 1500mA). Amperage can be higher, but never lower. Round barrel connector with a hollow POSITIVE center. Photo is generic. Converter, voltage regulator, transformer, adaptor shape, size or color may differ from auction photo (wall-type) and may be a brick-type.

 This item will not fit in a small flat rate box (brick-type). Special heavy wrapping is needed to protect the prongs (wall-type). 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 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.