DC 7-24V 4 Channel Relay Module 8Bit MCU MAX3232 RS232/TTL UART Interface Support Modbus RTU 4 Way Input 4 Way Output

DC 7-24V 4 Channel Relay Module 8Bit MCU MAX3232 RS232/TTL UART Interface Support Modbus RTU 4 Way Input 4 Way Output
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sku: 1005003705456314
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$6.81
Shipping from: China
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