12V for SEAGATE EXPANSION 1TB/1.5TB/2TB/3TB/4TB EXTERNAL HARD DRIVE POWER SUPPLY
Connector / tip size : 2.5x0.8mm,3.5x1.35mm. Output Power: 24 W. Your RELIANCE and SUPPORTING are our great honor. DC Connector polarity: Positive inside, Negative Outside. We have the best aftersales service.