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Products from the USA may come with an input voltage of 110V–120V, requiring a step-down transformer. Check the device wattage to select the correct power converter.
New 2024 5V/12V Esp8266 2 4 Channel WiFi 2 4 Way Relay Module Esp-12F Development Board 4M Byte Flash for 90-250V Dc7-30V Load Control Accessories
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