The Combustible leaks to report to the police the machine is a kind of safe protection that monitors the indoors Combustible( natural gas, artificial coal gas, liquefied petroleum gas) in the air equips.
   
When the occurrence Combustible leaks to spread to attain to report to the police the density in the air, reporting to the police the machine to send out immediately the sound and light report to the police, reminding that you adopt the emergency measure.Combining can install the automatic close in valve in electromagnetism valve an occurrence for cutting off spirit source, preventing continuously leaking, from but avoiding trouble, guaranteeing Human body with property safety.