4 Channel 12V 10A Optocoupler Relay Module Board Low Level Trigger For Arduino Raspberry Pi 2Pcs 9189345338946

4 Channel 12V 10A Optocoupler Relay Module Board Low Level Trigger For Arduino Raspberry Pi 2Pcs 9189345338946

4 channel optocoupler relay module Relay capability: normally open interface supports AC 250V/10A and DC 30V/10A, allowing you to switch voltage or...

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