... with EN50194 4.Fault signal warning Wired-in gas alarm comply with EN50194 from ningbo peasway:1.Sensor ... install, move and maintain Please contact with us for more information of this gas alarm, welcome to establish business ... (smoke alarm), heat detectors (heat alarm), carbon monoxide detectors (CO alarm), gas detectors (gas alarm), water detectors (water alarm), please feel free to contact with ...