3V 8 Channel Relay Module Interface Board Low Level Trigger Optocoupler for Arduino SCM PLC Smart Home Remote Control Switch
![3V 8 Channel Relay Module Interface Board Low Level Trigger Optocoupler for Arduino SCM PLC Smart Home Remote Control Switch](http://ae04.alicdn.com/kf/Hd1ff57462d174c99bb15fdccdbcfe312J.jpg)
sku: 1005002780944098
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$5.96
Shipping from: China
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