1 2 4 8 Channel DC 5V Relay Module with Optocoupler Low Level Trigger Expansion Board for arduino 5 V Relays Board 1/2/4/8 Way
![1 2 4 8 Channel DC 5V Relay Module with Optocoupler Low Level Trigger Expansion Board for arduino 5 V Relays Board 1/2/4/8 Way](http://ae01.alicdn.com/kf/H2bc109f5d306440bacce09482686078fp/1-2-4-8-Channel-DC-5V-Relay-Module-with-Optocoupler-Low-Level-Trigger-Expansion-Board.jpg_350x350.jpg)
sku: 4001197374893
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$0.92
Shipping from: China
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