Top Quality AC-DC Switching Adaptor Power Supply. The Technical Specifications are as follows - Input : 100-240v ac 50/60Hz Output: DC 12V - 0.5A (perfect for 500mA and below) 5.5mm x 2.1mm / 2.5mm Connector (inner spring opens to 2.5mm so suitable for both sizes) Positive Polarity UK Plug.
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