Multitester tested for voltage. This is a voltage EQUIVALENT wall mount version for the CASIO voltage power supply AD-1, AD-1U and AD-1US with the following: AC input 120V and DC output: 7.5volts DC 0.6A (7.5VDC 600mA). Amperage can be higher, but never lower. Round barrel connector with a NEGATIVE center. Please check your device compatibility before bidding. Questions are encouraged. Photo is generic. Shape, size or color may differ from auction photo. Special heavy wrapping is provided to protect the prongs. S H in the contiguous USA is $9.(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.