Killer.... the same gas, carbon monoxide can be easily can create poisoning and kills our loved ones to catch . By installing alarms, carbon monoxide etc. give life to our loved ones gifts. Also, this device, you ازخطر explosion caused by a gas leak, urban, safe keeps. Detectors above Rated output, to connect to accessories such as solenoid valve can be of the occurrence of the risk(natural gas, cramps, or explosion) can be natural gas, entrance building to cut the.