MQ-9 MQ9 Carbon Monoxide CO Alarm Combustible Gas Sensor Module Board DC 5V 150mA DO Output AO Output Long Life And Stability
0.97
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Price history
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- for half a year
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Price drop notification
0.92 $ (-5%)
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0.87 $ (-10%)
0.82 $ (-15%)
0.78 $ (-20%)
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