Thank you for viewing. Since the operation has not been confirmed, this item is listed as junk. This is a very old item, so please consider purchasing only if you understand that it is a used item and a junk item. NEC CD-ROM player, model CDR-30A, power consumption 4W, DC 9V 650mA. - Model name: CD-ROM2 - Manufacturer: NEC - Model number: CDR-30A - Power consumption: 4W - Power supply: DC 9V 650mA