1. Brief introduction
The GSM SMS 3G Environment Alarm is special for remotely monitoring onsite temperature, humidity,power status through wireless GSM/3G Network. When the temperature, humidity, power voltage exceedhigh threshold or low threshold value, will send SMS alert to upto 10 preset mobile phone immediately.
Just dial from Authorized User number, the GSM 3G Environment Alarm will reject at the first “Ring”, nocommunication cost, and then return the current temperature, humidity, power status or voltage. Moreover,it can report onsite environment interval or daily.
The GSM 3G 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 monitoringtemperature or control temperature in expected range.
2.Mainly Features
Can be operated from anywhere, no distance limitation;
No call charges for inquiry. the GSM 3G Environment Alarm rejects the call from authorized numberthen return onsite temperature, humidity, and power voltage on the first 'ring';
Multiple applications. (temperature, humidity, power status, solar panel, dc voltage);
Up to 10 authorized phone numbers, 5 can be used to receive call or SMS,and 5 can be used to calland SMS while alarm occurrence;
One Temperature & Humidity sensor input, measures temperatures from -40-80°C,0.5°C accuracy,Relative Humidity from 0-99RH%, accuracy is 3%;
External AC Power status monitoring, AC On/OFF will send SMS to authorized phone numbers;
Inbuilt MCU monitoring the DC input Voltage value, measure range is 9-24VDC, no need additionalsensor to save cost;
Timer Report—Can setup every x hours automatically send its status/Value to the authorizednumbers; Support remotely read historic data via SMS;
Rechargeable Backup Battery inside can last 8hours;
Secure - Using caller ID and password for identification, unknown callers are ignored;
Programmable by SMS Commands or APPs with password protection;
Based on GSM Network, applied to many applications.
Remote Reset via SMS, Remote Reboot via SMS, Automatic Reboot Periodicity.
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China [CN] 
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