DC 5V 12V 16 Channel Relay Shield Module with Optocoupler LM2576 Microcontrollers Interface Power Relay For Arduino Smart Home
![DC 5V 12V 16 Channel Relay Shield Module with Optocoupler LM2576 Microcontrollers Interface Power Relay For Arduino Smart Home](http://ae01.alicdn.com/kf/Haa1bfd400f15459380869f7d8138ec8fq/DC-5V-12V-16-Channel-Relay-Shield-Module-with-Optocoupler-LM2576-Microcontrollers-Interface-Power-Relay-For.jpg_350x350.jpg)
sku: 4000415320477
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$13.76
Shipping from: China
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