Specification ◆Communication mode: GSM 900/1800MHz double frequency module inside ◆Alarm mode: GSM SMS and auto-dial ◆Data respond: ≤ 8S(GSM is in normality) ◆Consumption:≤0.6W ◆Siren volume:louder than 110 db ◆Wire net connection:Y form, three phases four wire Singe-phase standard work voltage:AC220V Singe-phase lowest work voltage:AC110V Singe-phase highest work voltage:AC270V ◆ Biggest capacity of insurance tube:5A ◆Standby battery:DC12V/1.2AH(lead sour battery) DC12V/1AH(nickel Hydrogen battery) optional Battery warn voltage:DC10.5V Battery automatic close voltage:DC10V ◆Anti- electromagnetism interfere:IEC55022