Photo 1 of NOYITO 2 Channel Relay Module Self-Locking Triggering Interlocking Optocoupler Isolation High Low Level Trigger for PLC Industrial Control (5V)

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Photo 1 of NOYITO 2 Channel Relay Module Self-Locking Triggering Interlocking Optocoupler Isolation High Low Level Trigger for PLC Industrial Control (5V)