Wireless anti-theft kit with GSM dialer Alarm system for multiple use, easy to use and quick to install. In case of alarm, the control unit calls you and sends you SMS to the numbers set in memory, mobile or landline, to notify you of the alarm.Package Contents n.1 Wireless alarm control unit with integrated GSM n.1 Wireless PIR Motion Sensor n.1 Wireless Door and Window Sensor n.2 Centralactivation/deactivation remote controls n.1 Indoor siren n.1 User manual Wireless PIR Motion SensorThe range (sensitivity) of the wireless motion sensor is more than 10 meters for an angle of 110 degrees. It has a LED that signals the low battery. The sensor works with normal 9 Volt batteries. It communicates with the control unit at a distance of more than 50 meters. The device is equipped with a bracket for adjusting the angle. Wireless Door and Window SensorThe Wireless sensor can be easily applied to any door or window. Simply opening them triggers the alarm. Sensors of this type use normal 12 Volt batteries. It communicates with the control unit even at a distance of over 50 meters. When the control unit is activated due to a break-in, it activates both the internal and external sirens (optional) and starts the telephone dialer which begins to call the various numbers stored.In the event of an alarm, it will therefore be possible to receive the alert on your telephone number.