Computer RS232 Serial Port Control 16 Relay Industrial Control Board 12V / 24V Intelligent
![Computer RS232 Serial Port Control 16 Relay Industrial Control Board 12V / 24V Intelligent](http://ae01.alicdn.com/kf/H2de27eb37cb543d6b4bc4bd59af827fbb/Computer-RS232-Serial-Port-Control-16-Relay-Industrial-Control-Board-12V-24V-Intelligent.jpg)
sku: 4000959174769
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$38.64
Shipping from: China
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