3V 1 Channel Relay Module Interface Board Low Level Trigger Optocoupler for Arduino SCM PLC Smart Home Remote Control Switch
![3V 1 Channel Relay Module Interface Board Low Level Trigger Optocoupler for Arduino SCM PLC Smart Home Remote Control Switch](http://ae04.alicdn.com/kf/H2e1d068b91e04c0ab0e8670c40337b81c.jpg)
sku: 1005002469013406
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$1.05
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