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【Electrochemistry working method & 3 in 1 function】Our carbon monoxide detector is based on the principle ofElectrochemistry, to detect carbon

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Smart Alarm for Excessive CO2 ConcentrationThe smart alarm function is designed to prevent any uncomfortable air conditions. When a CO2 concentration

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GZAIR SA103 CO Carbon Monoxide Detector with Visual, Audible, and Vibrating Alerts, Portable CO Monitor, IP67 Waterproof CO Gas Alarm for Home and Travel, Battery Operated

GZAIR SA103 CO Carbon Monoxide Detector with Visual, Audible, and Vibrating Alerts, Portable CO Monitor, IP67 Waterproof CO Gas Alarm for Home and Travel, Battery Operated

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