1. more exactly positioning ( a message can tell you the location of your car)

2.burglarproof, robberproof

3.dual indentify transmition technology

4.remote control

5.priority of seting up defences by mobile phone

6. free charge of setting up defence and dismantle defence by mobile phone

7.Intelligentized  System ,multia aspect alarm

8.same frequency scroll bar code omnipotence writting.

9.non installation for vapo(u)r-pressure type