1 channel 5V/12V relay module with optocoupler isolation, one way relay expansion board supports high and low level triggering

1 channel 5V/12V relay module with optocoupler isolation, one way relay expansion board supports high and low level triggering
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sku: 1005003177145171
ACCORDING TO OUR RECORDS THIS PRODUCT IS NOT AVAILABLE NOW
$2.94
Shipping from: China
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