Multitester tested for voltage. This is a voltage EQUIVALENT power adapter for Korg synthesizer models with an input: AC 120V (ordinary household wall plug outlet) and DC output: 9V. Please determine compatibility for your device before purchase. Questions are encouraged. Shape, size and color may be different than photo. Photo is generic. Shape, size or color may differ from auction photo. Special heavy wrapping is provided. S H in the contiguous USA is $7.(insured shipping). Please see other interesting items for 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.