Multitester tested for voltage. This is a voltage EQUIVALENT version of the ADAPTER known as ROLAND ACI-120C powersupply. Input: ac 120V (ordinary household wall outlet plug). Amperage can be higher, but never lower. Round barrel connector with a NEGATIVE center. Converter, voltage regulator, transformer, adapter used for D2, GI-20, HPD-15, JV-1010, MC-09, MC-303, MC-307, PK-7, PK-25, RS-5, RS-9, SH-32, SP-302, TD-6, TD-8, TMC-6, XP-10, XV-2020, TD-3, TD-6, TD-8. Please check your device for electrical requirement. Shape, size or color may differ slightly from photo. Special heavy wrapping is provided to protect the prongs. 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 time.