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 Our company profession manufactures family-use carbon monoxide announciator, Smog announciator and combustible gas call the police, Sensitivity high, Show intuitional, Cubage small Use zero achievementses consume electrochemical transducer and low achievements consume micro controller proceed design, Battery operating life long. Voice call the police, Briefness, Safety, Dependable Possesses battery capacity lack, Sensor damage warning, Can timely remind consumer to announciator proceed maintain . This product by CE Certification!
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