16-Channel 12VDC Smart Home Diy RS232 Serial COM Controlled Relay Board DB9 UART AT Command Switch Module
![16-Channel 12VDC Smart Home Diy RS232 Serial COM Controlled Relay Board DB9 UART AT Command Switch Module](http://ae01.alicdn.com/kf/Hc8a9b84799c748e2861be26e8a9988efh/16-Channel-12VDC-Smart-Home-Diy-RS232-Serial-COM-Controlled-Relay-Board-DB9-UART-AT-Command.jpg_350x350.jpg)
sku: 4001241975973
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$18.92
Shipping from: China
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