DC 5V-30V MQ-2 Smoke Sensor Alarm Module Smoking Detector Relay Switch Controller Anti-reverse Connection Protection 12V 24V

DC 5V-30V MQ-2 Smoke Sensor Alarm Module Smoking Detector Relay Switch Controller Anti-reverse Connection Protection 12V 24V
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sku: 1005003381189238
$6.02
Shipping from: China
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