5V Two-way Relay Module with Optocoupler Protection
![5V Two-way Relay Module with Optocoupler Protection](http://gloimg.gbtcdn.com/soa/gb/pdm-provider-img/straight-product-img/20180912/T012572/T0125720006/source-img/160318-1202.jpg)
sku: gb9528376442gb
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$3.42
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