SMART SENSOR AS8900 Multi Portable Gas Detector Monitor 4 in 1 O2 H2S CO Combustible Gas Oxygen Hydrogen Sulfide Carbon Monoxide

It's a great honor for you to visit my store. Good luck with your favorite purchases Origin : Mainland China TResolution : 0.1% / 1umo/mol(ppm) / 1% Operating humidity : 15%-95%RH (Standard) Alarm : Sound, Light Alarm. Adjustable Alarm values, Alarm sound up to 80 db. Power Supply : 3.7V li-battery Product Weight/ Size : 200g/ 120.2*64.5*38.3mm The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom'sd policies and EU Product Safety and Compliance laws.