2 in 1 DC 5V 12V 24V 8CH USB Serial Port Relay Module UART RS232 TTL Multifunction Switch Board CH340 for Motor LED PTZ PLC IPC

2 in 1 DC 5V 12V 24V 8CH USB Serial Port Relay Module UART RS232 TTL Multifunction Switch Board CH340 for Motor LED PTZ PLC IPC
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sku: 1005005994052577
$20.40+5%
$21.44
Shipping from: China
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