GSM Antenna Temperature and Humidity Environment Alarm SMS for Hospital Storage Greenhouse Power Monitor with 1m Sensor

GSM Antenna Temperature and Humidity Environment Alarm SMS for Hospital Storage Greenhouse Power Monitor with 1m Sensor

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Model: RTU5023 Name: GSM Environment Alarm Inquiry Onsite Environment with a FREE Call from Your Mobile Phone! Interval Report Onsite Environment to Your Mobile Phone by SMS! High-Low Temperature Humidity Voltage with SMS Alert!
  Introduction: 
The GSM SMS Environment Alarm is special for remotely monitoring onsite temperature, humidity, power status through wireless GSM
Network. When the temperature, humidity, power voltage exceed high threshold or low threshold value, will send SMS alert to upto 10 preset
mobile phone immediately.
The GSM Environment Alarm can be used for solar power monitoring, DC power voltage monitoring, temperature monitoring, humidity monitoring,
Class Room, Public Room, Waiting Room, Hospital, Stations, Fresh Food Warehouse, Office, Meeting Room, Laboratory, Library and anywhere
that need monitoring temperature or control temperature in expected range.
  Mainly Features of the  GSM Environment Alarm :
1.    Can be operated from anywhere, no distance limitation;
2.    No call charges for inquiry. the GSM Environment Alarm rejects the call from authorized number then return onsite temperature, humidity,
        and power voltage on the first \'ring\';
3.    Multi

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