8 Channel Relay Module 5V / 12V Low Level NPN Trigger Relay Control Board with Optocoupler and Indicator Light PLC 8 Way for Ard

8 Channel Relay Module 5V / 12V Low Level NPN Trigger Relay Control Board with Optocoupler and Indicator Light PLC 8 Way for Ard
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sku: 1005012579410362
$3.99
Shipping from: China