4 Channel 5V Relay Board Accessories Development Boards It offers a direct power

It offers a direct power supply port for convenient access

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Compatible with arduino

it offers the freedom to create without limitations

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4 Channel 5V Relay Board Accessories Development Boards It offers a direct power4 Channel 5V Relay Board This 4 channel relay module 5V is a low pull, high release relay module and features an energisation status indicator light; the release status LED remains off during operation. By default, this 5V 4 channel relay module uses JD VCC for relay power and is compliant with international safety standards, ensuring proper isolation between control and load areas through dedicated isolation trenches. The relay module 4 channel board