GSM Remote alert. Cooperates with all types of alarm systems. Designed for cars but
can also be used in boats, houses etc.
Very easy installation, just four wires must be connected, two at 12 V power (battery)
and two at the alarm siren.
Up to four phones will receive SMS or/and call when its input (siren) is activated.
Simple programming, just (using a mobile phone) enter the 4 telephone numbers and
a parameter in the SIM phone-book.