Multitester tested for voltage. This is a voltage EQUIVALENT wall mountvoltage regulator, power supply, powersupply, inverter, adaptor toAT&Tadapter with the following: AC input 120V and output:DC6V 400mA (aka: 0.6VDC 0.4A). Amperage can be higher, but never lower. Please determine correct compatibility before purchase. Round barrel connector with aPOSITIVE hollowcenter. Shape, size or color may differ from photo.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 JGrit.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 strictlywithinUSPS control and not within the control of seller. Please leave 5 stars for seller 4 day drop-off time. Thankyou.