... and audio alarm, capable of switching off electromagnet LPG-101VM,LNG-101VM FeaturesDetect LPG/LNG leakage.Intelligent MCU control, low power consumptionVisual ... valve.Installed on the wall, home use only SpecificationsAlarm level: LPG: 0.10.5, LNG: 0.11Power supply220V/50Hz, 110V/60HzOperating ... volume≥80dBResponse time≤20s recovery time≤30s. use for home LPG LNG gas detector alarm gas sensor