5-in-1 Upgraded Gas & Carbon Monoxide Detectors Plug in, Combination Natural Gas Detector and Co Detector with Temperature & Humidity and Sound, Brightness Control, Built-in 9V Battery (Not Included) PEESIN ) for exceptional durability

) for exceptional durability

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5-in-1 Upgraded Gas & Carbon Monoxide Detectors Plug in, Combination Natural Gas Detector and Co Detector with Temperature & Humidity and Sound, Brightness Control, Built-in 9V Battery (Not Included) PEESIN ) for exceptional durabilityAbout this item 5 in 1 Upgraded Gas & Carbon Monoxide Detector: Equipped with dual sensor technology and dual alarm system, it can detect and display temperature, humidity, natural gas and carbon monoxide concentrations in real time, providing all round protection to ensure the safety of you and your family. Dual Alert System & Quick Response: The combiantion gas & carbon monoxide detectors uses an audible and flashing light alarm design. When