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

DC 5V 12V 24V 30A 1 2 4 Channel Relay Module with optocoupler isolation Supports High and Low Triger Trigger Relays Board
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sku: 1005004346239485
$2.38
Shipping from: China
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