16ch DC 12V Serial Port DB9 UART RS232 Relay Module for PLC PC Com 3D Printer LED Home lighting Motor
![16ch DC 12V Serial Port DB9 UART RS232 Relay Module for PLC PC Com 3D Printer LED Home lighting Motor](http://ae01.alicdn.com/kf/Hd2bd31f59f5249c59147a43da3049c00X/16ch-DC-12V-Serial-Port-DB9-UART-RS232-Relay-Module-for-PLC-PC-Com-3D-Printer.jpg_350x350.jpg)
sku: 4000575124546
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$29.98
Shipping from: China
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