AC 110V/220V To DC 5V 12V 19V 24V Step-down Transformer Power Supply 1A 2A 4A 6A 7A 9A Switching

AC 110V/220V To DC 5V 12V 19V 24V Step-down Transformer Power Supply 1A 2A 4A 6A 7A 9A Switching

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