This product uses military technology GSM module with voice-activated automatic pull back function, aslo can increase extension as magnetic sensor or vibration sensor, can be installed in home, company, shop and warehouse, when a thief open your door or window, move your car or your valuables, the alarm will notify you, ensure family life and property. This product compact size, voice clear, long standby time, simple operation, stable performance, without install, remote control etc.

Selling point of product

1. GSM monitor
2. Voice activated function
3. SMS to control voice activated on or off
4. GSM door magnetic alarm
5. Door magnetic sensor alarm
6. Door magnetic sensor
7. Battery volumme checking function by sending SMS
8. Anti-thefting, door watcher
9. 2 in one of GSM monitor + door magnetic sensor

Features

1. The world's infinite distance voice transmission ( using the GSM signal transmission, no distance limit can be inter-provincial cross-border);
2. Ultra-clear sound
3. Small size as a match box, portable
( Normal wireless voice transmission equipment's deficiencies: Short distance; Easy to be interfered, the sound is not clear; Transmitter power supply time is short; Bulky size, difficult to hide. But this product can effectively solve these issues)
4. 900/1800 or 850/1900 ( please contact to confirm 850/1900MHz if you need ) frequency
5. With lithium battery inside too ( 70-150 hours standby for voice control, or 120-240 hours for without voice control ). Send GDM3 to check battery volumme.
6. Voice activated function:
Send GDM1 to start voice activated control
Send GDM2 to stope voice activated control
7. Door magnetic sensor control ( means if your door is opened, the alarm will send a message to inoform you that your door is opened );
Send GDM4 to start voice activated control
Send GDM5 to stope voice activated control