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: S3530 ★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