* High sensitivity carbon monoxide and smoke dual sensors * Ultra slim design 28.5mm thickness * Fast response with MCU control * Replaceable AA battery power * Low power consumption * Big test and hush button * Low battery warning function * On-site high decibel alarm sound 85dB * Elegant design,fire-proof ABS material * Tuya Smart/Smart Life App real-time monitoring * FREE DELIVERY in the E.C. .
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