12V 4 Channel Relay Module Interface Board Low Level Trigger Optocoupler for Arduino SCM PLC Smart Home Remote Control Switch

12V 4 Channel Relay Module Interface Board Low Level Trigger Optocoupler for Arduino SCM PLC Smart Home Remote Control Switch
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sku: 32998205098
$1.31
Shipping from: China
   Technical Details
Voltage: 12V
   Price history chart & currency exchange rate

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