10PCS/Lot 12V 1 Channel Relay Shield with Optocoupler High/Low Level Trigger Power Supply Relay Module for Arduino Relay Board

10PCS/Lot 12V 1 Channel Relay Shield with Optocoupler High/Low Level Trigger Power Supply Relay Module for Arduino Relay Board
sku: 4000085501606
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$4.21
Shipping from: China
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