Multitestor tested for voltage. The VERY SPECIAL ac POWER CORD is INCLUDED (a $14.95 value by itself). Genuine original factory DELL voltage regulator, power supply, powersupply, inverter, adapter, converter for many laptop notebook computers. Input ac 100-240V (ordinary household wall plug) and Output: dc 19.5V 3.34A. Round barrel with a single pin connector. S H in the contiguous USA is $6.(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 4 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 4 day drop-off time. Thankyou.