Multitestor tested for voltage. Genuine original factory Panasonic voltage regulator, power supply, powersupply, inverter, adapter, converter Input ac 120V andOutput: dc 9V 350mA. Round barrel connector with a NEGATIVE center. Special heavy wrapping is provided to protect the prongs. S&H in the contiguous USA is $5.(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 strictly within USPS control and not within the control of seller. Please leave 5 stars for seller 4 day drop-off time. Thankyou.