Dc 12V 2 Channel Db9 Female/Male Rs232 Uart Remote Control Switch Board Serial Port Relay Module 774048926614

Dc 12V 2 Channel Db9 Female/Male Rs232 Uart Remote Control Switch Board Serial Port Relay Module 774048926614

Dsport

Description: 2 Channel DB9(Female )RS232 Relay Module; Power input: DC 12V(8.5-13.5V). PC Serial ports RS232 Control Relay; Power indicator : LED...

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