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Name: GSM SMS Controller Alarm,GSM switch,remote control unit(ios/Andriod APP) ------------------ Introduction: The GSM SMS Controller alarm is special for remote switch on/off machine, equipments, Supports digital inputs for water level detectors, PIR motion detectors etc. Advantages: Inputs recovery can alert by SMS,.With one interlock Relay output, SMS switch on/off relay output When alarm occurrence, will send definition SMS text and dial mobile phones. ------------------ GSM SMS Controller & Alarm Features 1) GSM Frequency: 850/900/1800/1900Mhz,GSM network,no distance limit 2) 1 Independent Output Relay (240VAC3A),switched ON/OFF by SMS text; 3) 1 Alarm-Link Output Relay (240VAC3A) can be switch on 0-120minutes if it triggered; 4) 2/4/8 Alarm logic digital inputs, NC or NO and EOL; 5) 3 SMS numbers and 5 dial phone numbers accept to the alarm message; 6) Two-way voice communication by external microphone and speaker; 7) Armed, disarmed, inquiry status, switch on/off Output Relay by SMS; 8) Programmed from PC Configurator by USB cable; 9) Time stamped alarm messages. Backup battery work for 24 hours.