User:Cherry Cheung/sandbox

The GSM SMS Temperature Alarm is special for remote monitoring onsite temperature, while temperature higher or lower, it will send SMS message to user mobile phone.

Also, the user can dial in the GSM SMS Temperature Alarm to inquire the current temperature with a free charge call.

1.	Can be operated from anywhere, no distance limitation, No call charges for inquiry. 2.	Multiple applications. (temperature monitoring); 3.	6 authorized phone numbers, each number can be used to receive call or SMS or both; 4.	1 Temperature Sensor inbuilt, can setup high and low temperature alarm threshold value to alert the authorized users and automatically turn on the Air-Conditioner to preset working mode. 5.	External AC Power monitoring, AC On/OFF will send SMS to authorized phone numbers; 6.	Timer Report—Can setup every x hours automatically send its status/Value to the authorized numbers; 7.	Rechargeable Backup Battery inside can last 8hours.