12V/24V Modbus rtu 1 2 4 8 channel Relay Module 485 TTL Communication 1 2 4 8 Channel Input Relay Module

12V/24V Modbus rtu 1 2 4 8 channel Relay Module 485 TTL Communication 1 2 4 8 Channel Input Relay Module
sku: 1005001538034378
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$2.69
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