This two-way car alarm is a new generation auto security system, which adopts an advanced microprocessor as its brain, utilizes narrow brand FM technology to realize the intercommunication between the main unit and the remote-pager. By this system, you can remotely operate your car in a super range and get the real instant car status from the remote-pager at any time by means of sound, light, vibration and visual display. Main Features: 1. Advanced Hopping COde Encryption,anti-scan,anti-copy (optional) 2. FM Technology,Long Range Transmitting and Receiving 3. Instant and Real Car Status Query in a Range of 1500 Meters 4. Remote EL Back Light Display and Vibration Alarm 5. Convenient Keyboard Lock to avoid Casual Operation to Remote 6. Automatic Arming Function Brings You Unbelievable Ease 7. Easy Remote Valet Mode for Loaning Your Car or Have It Serviced 8. Foot Brake Driven Central Lock to Ensure Safety and Convenience 9. Adjustable Two-stage Impact Sensor to Meet Different Environment 10.Code-learning for convenience of replacing yor lost remote controller.