Adjustable 3V 5V 6V 9V 12V 3A 30W Power Supply Adapter 220V To 12V 3A DC 5V Universal AC DC Switching Power Supply Transformer

Adjustable 3V 5V 6V 9V 12V 3A 30W Power Supply Adapter 220V To 12V 3A DC 5V Universal AC DC Switching Power Supply Transformer

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