Multitester tested for voltage. This is a voltage EQUIVALENT power supply for many models of Plustek, HP and Mustek scanners. Voltage regulator, power supply, powersupply, inverter, adaptor, adapter, transformer INPUT: AC 100-120V and OUTPUT: +15VDC/1A. Photo is generic. Please determine compatibility for your device before purchase. Special wrapping is provided to protect the prongs. S H in the contiguous USA is $7.(insured shipping). Please see other interesting auctions 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.