Multitester tested for voltage.This is a voltage EQUIVALENT adapter to Nintendo voltage regulator, power supply, powersupply, inverter, adapter, converter AC Input 120V andDC Output: 10V and 850mA (aka: 10VDC 0.85A). Amperage can be higher, but never lower. Round barrel connector with aNEGATIVEcenter PIN. This adapter is used for super NES control decksSNS-001 and SNS-101 and VIRTUAL BOY. Photo is generic. Shape, size or color may differ from photo.Special heavy wrapping isprovided to protect the prongs.S&H in the contiguous USA is $6.(insured shipping).Please see other interesting items 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.