AC 220V Modbus RTU 4 Channel Relay Module Switch RS485/TTL UART Interface Four-Way Input Output DC3.3-24V Optocoupler Signal

AC 220V Modbus RTU 4 Channel Relay Module Switch RS485/TTL UART Interface Four-Way Input Output DC3.3-24V Optocoupler Signal
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sku: 1005003133867594
$7.11
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