Just for AC power off.
which can standby upto 8 hours after AC Power failure. NO NEED ANY OTHER DETECTOR!
The user can inquiry the AC Power Status from mobile phone in anywhere by SMS or call in from the authorized number, No call charges for inquiry. the GSM AC Power Monitoring Alarm rejects the call from authorized number then return onsite AC Power Status on the first 'ring'.
Quickly installation, just connect the AC/DC Adaptor 12V to the GSM Unit, and send 1 SMS to setup the authorized number are finished the settings.
Functions & Features of the RTU5012:
GSM Frequency: 850/900/1800/1900MHz;
Automatically send SMS Alert Alarm Message to the pre-set user number when AC power ON/OFF alarm occurrence;
It includes internal large capacity rechargeable battery which can standby upto 8 hours after AC Power failure.
The GSM Unit will automatically monitoring the external AC power,
Based on the GSM communication network and Operation Menu Display technology, apply to wide range situations.