12W Switching Power Supply Adjustable Voltage 3V/4.5V/5V/6V/7.5V/9V/12V 1A Multi-Function Power Supply for EU US UK AU Adapter

12W Switching Power Supply Adjustable Voltage 3V/4.5V/5V/6V/7.5V/9V/12V 1A Multi-Function Power Supply for EU US UK AU Adapter

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