Multitester tested for voltage. The ac POWER CORD is included (a $9.95 value for FREE). This is a voltage EQUIVALENT adapter for Tatung, Slimage or Sampo monitor with the following requirements: AC input: 100-240V and DC output: 12VDC 4000mA (or 12 volts DC 4A). Amperage can be higher, but never lower. Round barrel connector with a positive center. Please determine compatibility before bidding. Questions are encouraged. Photo is generic. Shape, size or color may differ from photo. 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 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.