DC 5V 12V 24V Relay Module 1 2 4 Channel Relay Board 30A with optocoupler isolation Supports High and Low Triger Trigger Relays

DC 5V 12V 24V Relay Module 1 2 4 Channel Relay Board 30A with optocoupler isolation Supports High and Low Triger Trigger Relays
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sku: 1005004123480830
$2.44
Shipping from: China
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