10PCS/Lot 4 Channel Relay Module 5V 4CN 4-Channel Relay control board with optocoupler

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1PCS/Lot 8 Channel Relay Module 5V/12V 8-channel Relay control board with optocoupler

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5PCS/Lot 1 Channel Relay Module 5V 1-channel With Optocoupler Support High and low level Trigger

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Product specifications

Usage: General Purpose
Brand Name: NoEnName_Null
Certification: NONE
is_customized: NO
Origin: CN(Origin)
Theory: Voltage Relay
Voltage: 5V
Power Source: DC

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