A perfect combination of electronic security and hardware security;

Built-in air pressure sensor to sense door/windows/trunk trigger;

Built-in shock sensor to sense impact trigger;

Offering the highest level of security and convenience for car owners;

Installation-free design,no wire need to be connected;

Wireless siren gives peompt and strongest alarming;

Two-way transmitter reports car trigger instantly;

Real and instant car supervision and checking;

Shock sensor bypass/mute secruity mode;

Anti-scan code encryption,code learning;  

Car searching with big siren sound

Two Way Steering-wheel Alarming Lock