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Excellent resistance to alcohol, smoke interference ability. Liquefied petroleum gas, natural gas, city gas, better sensitivity. Main chip: LM393. ZYMQ-5 gas sensor. TTL output signal is low.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.