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MQ-2 Smoke Sensor Module Smoking Detector Alarm Relay Switch Controller 12V 24V - $4.37 from Diy Box Electronics Mall | SistaStore

MQ-2 Smoke Sensor Module Smoking Detector Alarm Relay Switch Controller 12V 24V

From Diy Box Electronics Mall
$4.37
Save 24% OFF

Highest recorded price: $5.77

View at AliExpress

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Price History

Price changes for MQ-2 Smoke Sensor Module Smoking Detector Alarm Relay Switch Controller 12V 24V since Aug 15, 2025

Max: $5.77
Min: $4.37
Current: $4.37

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