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2 Channel 12V Relay Module with Optocoupler

$0.86

-70%

1 Channel 5V Relay Module

$0.43

$0.13

8 Channel 5V Relay Module with Optocoupler

$3.19

-70%

2 Channel 5V Relay Module with Optocoupler

$0.86

$0.26

4 Channel 5V Relay Module with Optocoupler

$1.62

1 Channel 12V Relay Module

$0.49

-70%

16 Channel 12V Relay Module with Optocoupler

$7.03

$2.11

16 Channel 5V Relay Module with Optocoupler

$6.70

-70%

4 Channel 24V Relay Module with Optocoupler

$2.43

$0.73

1 Channel 12V Relay Module with Optocoupler Support High and Low Trigger

$0.86

-69%

1 Channel 5V Relay Module with Optocoupler

$0.65

$0.20

-70%

2 Channel 12V Relay Module with Optocoupler Support High and Low Trigger

$1.51

$0.45