... LNG and Coal Gas* Power, Alarm, Fault Indicator* CE approvalGas alarm 90-240VAC OR 110V/220VAC Gas ... , LPG and LNG include city gas* Ideal for all kitchens* Excellent reliability & high stability* Self ... Accuracy* Loud sound signal of 85 dB at alarm mode* Three-year limited warranty.Specification:* Power ... both available) CE approval gas alarm detector, gas detector, alarm detector for coal gas/city gas