Plug In Transformer, Wall, 9V DC, Neg

Plug-In Charger, Style Wall Mount, Input Voltage 120VAC, Output Voltage 9VDC, Output Current 556mA, Hz 60, Height 1.8 In., Width 2.0 In., Depth 3.0 In., Output Plug Inside Polarity Negative, Tip Size 2.1 x 5.5 x 10mm, Regulated / Unregulated Unregulated, Standards UL