4 channel relay module 4-channel relay control board with optocoupler. Relay Output 4 way relay module for arduino

4 channel relay module 4-channel relay control board with optocoupler. Relay Output 4 way relay module for arduino
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sku: 821672110
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$1.94
Shipping from: China
   Technical Details
Application: Computer
Brand Name: cuiisw
Condition: New
Dissipation Power: *
is customized: Yes
Model Number: 4 channel relay module
Operating Temperature: *
Package: SMD
Supply Voltage: *
Type: Logic ICs
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