DC 5V 9V 12V 24V Relay Module 1 Channel 2 CH with Optocoupler Timer Delay Relay Switch Board For Smart Home

-8%

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0

2

-18%

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0

0

-11%

1 2 4 8 channel dc 5v relay module with optocoupler low level trigger expansion board for arduino

3

5

5.0

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1pcs dc 12v delay timer relay with delay adjustment potentiometer turn on/off switch module

1

2

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1

3

5.0

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2

1

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0

-5%

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1

2

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5v 1 channel relay module board shield for arduino timer delay relay max 10a 250vac/30vdc control board bistable timer relay

1

0

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1 2 4 8 channel dc 5v relay module with optocoupler low level trigger expansion board for arduino

0

2

-15%

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1

1

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1

0

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1

1

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0

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0

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0

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1

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Dc 5v 9v 12v 24v 1 channel relay module with optocoupler shield board high low level trigger power supply module switch

2

1

Dc 5v 12v 1 channel relay shield inching/self-locking wifi switch relay module for smart home improvement intelligent furniture

0

1