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5V/12V/24V 4 Channel Relays Module High Low Levels Triggering Relays Board Load DC30V AC250V with Optocoupler Isolation
Features: Experience control with our 4 channel Relays module perfect for applications. With a double layer PCB and equipped with optocoupler isolation on each channel this module offer strong capabilities and clear LED indicators for easy...
$17.62 Free Delivery