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/H483b67dbde0f49458cb73241990f74c9R.jpg)
sku: 1005002344560188
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$6.61
Shipping from: China
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