for Iomega LDHD-UP2 1TB External Hard Drive HD AC-DC Adaptor Charger WA-1AH12
Connector / tip size : 2.0x0.5mm,2.4x0.7mm,3.5x1.35mm. DC Connector polarity: Positive inside, Negative Outside. We have the best aftersales service. There are NO EXCEPTIONS!