TrueSafe LPG Gas Leak Detector, this is a portable gas leak detector for detecting LPG gas leakage at Home. The output of the detector drives the control valve. Control valve is fitted in the gas line. Once the gas leakage is detected by detector valve cuts off the gas supply in less than 1Sec by shutting off the valve. The valve can be reset or opened only manually. This is provides additional safety and allows manual inspection before resuming the gas Supply.