1 2 4 8 Channel DC 5V Relay Module with Optocoupler Low Level Trigger Expansion Board for arduino

1 2 4 8 Channel DC 5V Relay Module with Optocoupler Low Level Trigger Expansion Board for arduino
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sku: 32969688227
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$0.44
Shipping from: China
   Technical Details
Brand Name: CHANGTA
Contact Load: Low Power
is customized: Yes
Model Number: Relay Module
Power Source: DC
Protect Feature: Sealed
Theory: Time Relay
Usage: General Purpose
Voltage: 5V
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