Multitester tested for voltage. This is a voltage EQUIVALENT adapter for the SEGA Genesis CDX console CDROM game system.. Please determine compatibility before purchase. Questions are encouraged. Photo is generic. Adapter shape, size or color may differ. Power supply shape may be either wall-type plug or brick-type cord plug. Amperage may be higher, but never lower. Warning: Do not use the wall-type MK2103 (it is too amp low for the CDX power requirements). S H in the contiguous USA is $5.(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 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.