Multitester tested for voltage. This is a voltage EQUIVALENT adapter for many Shure products with the following specs: AC input: 120V Barrel plug with a hollow center. Amperage can be higher, but never lower. Please determine compatibility before purchase. Questons are encouraged. Photo is generic. Shape, size or color may differ from photo. May be wall-type or brick-type design. 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.