Gas Leakage Alarm. Technical specification:Detector Gas: Natural Gas (Methane)Power Consumption: <4WStandard : EN50194Alarm Volume : >85dB(A) @ 1 metersProtection level: IPX2DAccessory (optional): Solenoid valve for GS869ASize: 11,7x7,7x3,6 cmWarranty: 24 monthsImporter: Eurodigital, EU