12V AC POWER ADAPTER COMPATIBLE FOR WD WESTERN DIGITAL 1TB EXTERNAL HARD DRIVE
Connector / tip size : 2.0x0.5mm,2.4x0.7mm,3.5x1.35mm. Output Power: 24 W or below. DC Connector polarity: Positive inside, Negative Outside. We have the best aftersales service. There are NO EXCEPTIONS!