Intelligent GSM Car alarm can remote start and stop Via SMS. GSM+GPS function! ------Intelligent GSM Car Alarm System Using our Intelligent GSM Car alarm to instead of GPS, Gain the same and Saving More!!!!! Name:Intelligent GSM Car Alarm System Model: S3531 The Intelligent GSM alarm system is designed for protect all type of cars. The system bases on the GSM Network and includes almost all requirements the user need. It can automatic send SMS to the User GPRS Cell phone to feedback the Car position, and the radius is Only 300 meters. This function is similar to the GPS system. It can automatic stop the car and dial 3 telephone to the users. Also, the user can dial into the car to control the car or monitor the station of the car. Friendly design is an attraction, too. Such as friendly human voice instruction, Led indicator, Anti-hijacking, Override switch, Sensitivity of shock sensor adjustable, Power off alarming, Shocking alarming, Bonnet open alarming, Wiretap, Intercom, Automatic central locking system, Parking reminder, Remote trunk release, and so on. ★Functions and Features ◆Can Arm/disarm with telephone,or remote controller; ◆Including two-stage shock alarm modes; ◆Automatic dialing 3 telephone numbers to the user; ◆Can Checking system status by telephone; ◆Trigger alarming (opening the door and engine was triggered); ◆Auto return to the original mode before power-off; ◆Can speak to the car with telephone; ◆GSM car locating and seeking Using the Remote controller, you can: Arm/disarm the system; Lock/unlock the car; Searching Trunk release Emergency help Enable/disable shock sensor (optional) Disable siren temporary Using telephone, you can: Arm/disarm Lock/unlock Enable/disable shock sensor Activate/deactivate alarm phone numbers Activate/deactivate immobilizer Check car status Broadcast to the driver Listen into the car what has happened and Intercom.