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Each year,there are many people died in CO poisoning in the world. Especially in the winter,The concentration detection of CO in the air home is necessary.When the CO concentration in the air is small,This instrument screen progress bar will show green.When the concentration is too high,The screen will show the red.If within 10 minutes no body Off the switch,it will automatically alarm,Protect the people's lives and
safety.It can be adsorbed in the window,The solar panels of the bottom to provide power.
Xiaolei/Qi Mou/Jiang Xiaohan/Wang Junsheng/Liang