





⚡ Power your projects with precision and persistence!
The xcluma DC 5V 4 Channel Relay Module is a compact, versatile USB-controlled switch board designed for PC and PLC integration. Featuring four independent relay channels, dual power input options (USB and external), and a durable build that operates reliably in temperatures from -25℃ to 85℃, it ensures stable, persistent control even when disconnected from the computer.
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