Multitester tested for voltage. This is an EQUIVALENT Sega adapter: INPUT: AC 120V and OUTPUT: 9VDC 1.2A (9 Volts DC 1200mA). Round barrel connector with a NEGATIVE center. PLEASE NOTE: there is a 10 volt that looks just like this one. Be sure your device says 9v or 9 volt on it (or on the instructions) somewhere. Questions are encouraged. Special heavy wrapping is provided to protect the prongs. S H in the contiguous USA is $7.(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.