タイトルまたは説明

1:YE***0(IOT)-CO type measurement range of ****0% LEL of point combustible gas detectors (hereinafter referred to as detector)
   screen printing a thick film with high quality metal oxide semiconductor sensor for detecting combustible gas leaks.
 
2:apply security monitoring in homes, factories, hotels, apartments and other presence of flammable gases.
 
3: can access the mobile phone app   fire alarm control system to achieve network connectivity.