FM Two Way GSM Car Alarm with Lock Unlock and Remote Start Engine by phone  

1.Use GSM network to send alarm and receive instruction, no distance limited 
 (Need to add a GSM mobile phone SIM card in the control unit). 
2.When the car is alarming can send alarm signal to your mobile phone or fixed phone  
by SMS or phone to you, so you can get your car status any where in the world where  
the mobile phone can be used. 
3.Lock/unlock/remote start engine/stop the car running/monitor the voice in the car/shout to 
 the theft with your mobile or fixed phone. 
4. When you phone to the car there is real human voice in English to help you how to 
 operate and set the system. 
5. The car alarm system is installed separately from GSM control unit, so the car alarm and  
GSM alarm can work separately . 
6. Long distance FM two way car alarm system, the basic alarm function is same with our  
BD9 two way car alarm with remote start function. 
7.Built in auto start signal detection and control circuit