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: 1005005993958257
$21.10-10%
$18.95
Shipping from: China
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