emergengcy automatic shut-off device for your lpg cylinder an iso-9001:2000company secure you and your family manual precaution: 1) operate (dual regulator & stove) on/off switch whenever gas stove is to be switched on/off 2) install safety clips for the rubber tube at both the ends 3) get gas leak test for regulator, gas pipie & gas stove frequently automatic precaution: 1) normal gas leakage auto shut off facility 2) minor gas leakage test chech facility 3) save gas 4) low level indicator gas