This is our GSM car alarm system, it is a complete GSM alarm controllable by users mobile phone message as well as the RF transmitters.

GSM Car Alarm with In-car telephone and remote control with SMS and calling

Key Features:
1. Audio Alarming
2. Vibration alarm, door open alarm, power off alarm, emergency alarm
3. Easy to operate, User can operate according audio instruction without memorize any control orders

4. Remote control: remote listen in and speak in the car, cut off gas/power supply, arm and disarm
5. Lock car door by telephone or transmitter
6. Remote monitor, call, cut off power and gas supply, set up and remove defense

7. Microchip's KEELOQ code-hopping technology featuring 66 digits of coded serials to the remote control makes it impossible to copy and decode cipphers of the remote controller. Because even the remote controller is continuously pressed every second, it will take 28 years to come across a repeated cipher
8. Remote control adjusting 8-scale vibration sensitivity, Either of alarming working mode or of mute working mode
9. Free to set up password and modify alarming telephone

10. Available two groups of preset alarming telephone numbers
11. When alarming, system will call the user, and send SMS of car situation to user
12. Make phone calls by a keypad, with hand free microphone and earphone

13. Remote start engine or air-conditioner by telephone or by transmitter. (Optional)

Parameters:
1. Average working voltage: DC12V+2V
2. Alarm-received telephone numbers: 4; Anti-theft: 2; Anti-hijack: 2
3. Sensitivity of vibration sensor: 8 scales
4. Working frequencies of GSM module: 900 / 1800 / 1900MHz,  or 850 / 900 / 1800 / 1900MHz,  (Optional)

5. Static Current condition: ≤50mA
6. RF frequency: 433MHz (or 315MHz)
7. Temperature: 40 to +70

8. Size of main Unit: 114mm * 33mm * 100mm