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best price lm393 mq-3 alcohol gas sensor module breath gas detector ethanol for vapor detection device
Model: rc-toy-accessories-9855

8 reviews
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Current Reviews: 8
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Item specifics
Output: Digital Sensor
is_customized: Yes Material: Metal
Type: Gas Sensor









The main chip: LM393, MQ-3 gas sensor
Operating voltage: DC3-5V
Response time:≤10séâ€