9v 9 volt 780mA = TP M AT&T adapter cord power supply

Multitester tested for voltage. This is a voltage EQUIVALENT for theAT&T voltage regulator, power supply, powersupply, inverter, adaptor forsome telephones. AC input 120V andAC output:9V 780mA (aka: 9VAC 0.78A). Amperage can be higher, but never lower. Round barrel connector with ahollow center. Shape, size and color may differ slightly from photo. This item will not fit in a small flat rate box. Special heavy wrapping is provided to protect the prongs. S&H in the contiguous USA is $4.(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.