Multitester tested for voltage. The ac POWER CORD is included. Voltage regulator, power supply, powersupply, inverter, adaptor AC 100-240V and DC output: 31V 1450mA. This power adaptor works on a large number of Hewlett Packard printers listed below: HP Business InkJet:1200d series HP DeskJet:955C, 959C, 980c series HP LaserJet: IIISi SeriesHP OfficeJet: 6000, 6100, 6110, Q1639A, Q1636A, Q1644A, Q1638AR, Q1638A, 6150, 6110xi, 7200, 7210, 7300, 7310, 7310xi, 7313, 7400, 7410, D135, D145 All-in-One SeriesHP PhotoSmart: 2600, 2610, 2610v, 2700, 2710, 6100, 6150, 7550, Q1605AR, Q1605A SeriesHP Digital Copier Printer: 410, Q1646AR, Q1646A SeriesPhotoSmart 7550 Printer Q1605A, Q1605AR OfficeJet 6110 All-in-One Q1636A Officjet 6110 All-in-One Q1638A, Q1638AR OfficJet 6110xi All-in-One Q1639A OfficeJet 6150 All-in-One Q1644A Digital Copier Printer 410 Q1646A, Q1646AR S&H in the contiguous USA is $6.(insured shipping).Please see other interesting products by JGritUSPS 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 strictlywithinUSPS control and not within the control of seller. Please leave 5 stars for seller 4 day drop-off time. Thankyou.