B41 20pcs/lot MQ-2 MQ2 Smoke Gas LPG Butane Hydrogen Gas Sensor Detector Module
![B41 20pcs/lot MQ-2 MQ2 Smoke Gas LPG Butane Hydrogen Gas Sensor Detector Module](http://ae01.alicdn.com/kf/Ha0171f02d83448d1a586e1d47a8e0b58m/B41-20pcs-lot-MQ-2-MQ2-Smoke-Gas-LPG-Butane-Hydrogen-Gas-Sensor-Detector-Module.jpg_350x350.jpg)
sku: 1005001622063520
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$23.67
Shipping from: China
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