5V 1 2 4 8 channel relay module with optocoupler. Relay Output 1 2 4 8 way relay module for arduino In stock
![5V 1 2 4 8 channel relay module with optocoupler. Relay Output 1 2 4 8 way relay module for arduino In stock](http://ae01.alicdn.com/kf/HTB1NEcSXJfvK1RjSszhq6AcGFXag/5V-1-2-4-8-channel-relay-module-with-optocoupler-Relay-Output-1-2-4-8.jpg_350x350.jpg)
sku: 32956082217
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$0.53
Shipping from: China
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