Multitester tested for voltage. This is a voltage EQUIVALENT adapter to the 1040e Super Multi Writer with the following: AC 100-240V and DC output: 5V 1.0A (or higher) and 12V 0.75A (or higher). Amperage can be higher, but never lower. Round connecter with 5 pins (metal). The ac POWER CORD is INCLUDED (a $9.95 value for FREE). Photo is generic. Shape, size or color may differ. Please determine compatibility before purchase. Questions are encouraged. Will fit HP DVD640e DVD740e DVD840e DVD940e DVD1040 DVD1040e ; Nexxtech DRW-6S160PX LH-1P20AX 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 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 time5pinda30c01