It has alarm function of excessive carbon dioxide A new product with high cost performance
$500.00
Sale price
$500.00
Regular price
$23.00 - $30.00 Shenzhen Qianhuilai Technology Co., Ltd. https://www.alibaba.com/trade/search?fsb=y&IndexArea=product_en&keywords=carbon+dioxide&originKeywords=carbon+dioxide&productAuthTag=TUV+MARK&tab=all& carbon dioxide 5(1).docx