Multitester tested for voltage. This is a voltage EQUIVALENT adapter for many WriteMaster storage drives with the following: AC 100-240V and DC output: 5V 1.0A (or higher) and 12V 0.75A (or higher). Amperage can be higher, but never lower. The ac POWER CORD is INCLUDED (a $9.95 value for FREE). Photo is generic. Shape, size or color may differ. Please determine compatibility before purchase. Questions are encouraged. S H in the contiguous USA is $8.(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 time5pin/30c01