1 channel r elay module 30A with optocoupler isolation 5V 12V 24V supports high and low Triger trigger For arduino Board Module

1 channel r elay module 30A with optocoupler isolation 5V 12V 24V supports high and low Triger trigger For arduino Board Module
sku: 1005004127866464
$1.47
Shipping from: China
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