... :LPG,LNG,CNG 3,Sound:85dB/3 meter 4,To prevent gas leaking in Vehicle 5,MOQ: 1pc 1 ... controller, when detector detects gas leakage will be passed to control signal, then controller will give sound and flash ... alarm so that user can take prompt action to prevent accident. Gas have an advantage on Storage capacity ... Power: <1.5W NEW ! Be used in Vehicle to prevent gas leaking-12V Car Gas Detector