This GSM car alarm system have a good feedback from our custom and the GSM car alarm system is very popular in europe markets,So our GSM car alarm system Descriptions:
1. Multi-band (850MHz, 900MHz, 1800MHz)
2. GSM cell phone carrier
3. Friendly human voice instruction
4. Hopping code
5. Arm/disarm by phone,and remote control
6. Two-stage shock alarm modes
7. False alarm trigger prevention
8. Alarms wit
9. SMS order control
10.Will call up 3 alarm phone numbers when there is an alarm.
11.Anti-hijackin
12.Override switch
13.Remote engine start/stop
14.Sensitivity of shock sensor adjustable
15.Checking system status by telephone
16.Status LED indicators
17.Trigger alarming (opening the door and engine start)
18.Shocking alarming
19.Power off alarming
20.Bonnet open alarming
21.Trunk open alarming
22.Alarm memory recall
23.Parking reminder
24.Remote trunk releas
25.Automatic central locking system
26.Power speaker
27.Power window output
28.Remote sound monitoring
29.Compatible with any cars
30.GSM car locating and seeking (optional & extra cost) 

The GSM car alarm Function:
1. Remote control
a. Arm/disarm
b. Lock/unlock
c. Car finding
d. Trunk release
e. Emergency help
f. Enable/disable shock sensor(optional)
g. Disable siren temporarily
h. Start/stop engine

2. car alarm Phone
a. Arm/disarm
b. Lock/unlock
c. Enable/disable shock sensor
d. Activate/deactivate immobilizer
e. Activate/deactivate alarm phone numbers
f. Open power window
g. Check the status o
h. Broadcast to the driver
I. Listen in th
j. Remote start/stop engine
k. Control the car by SMS