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Wall Power Adapter: 12VDC, 3A, 5.5x2.1mm Barrel Jack, Center-Positive

Vendor's Description: 

This 36W, “wall wart”-style switching power adapter supplies up to 3 A at a regulated 12 VDC. The AC adapter works with input voltages of 100 – 240 VAC and has a 1.5 m (5 ft) DC power cord that is terminated by a center-positive, 5.5 × 2.1 mm barrel connector.