1. The remote control and the host have two-way alarm, and the remote control can monitor the vehicle status at any time. 2. Remote control unlocking function, the vehicle cannot be started without using the remote control. After the electric door lock is closed when parking, the host automatically arms to prevent the user from losing the vehicle due to negligence in defense. 3. If the electric door is damaged, illegal parallel connection, power short circuit, etc., the vehicle will not be to start and the alarm will be reported immediately. 4. Dual defense mode (alarm mode/silent mode). Short press the defense button for sound defense, long press the defense button for silent defense. 5. Has a hidden lock function. It is equivalent to the second key of the vehicle. After setting it up, you need to use the key to open the electric door lock and then press the remote control once, otherwise the vehicle will not start. 6. Automatically locks after 5 seconds of parking. 7. PKE induction function, the electric door lock will automatically open when the vehicle vibrates, and automatically close when leaving. Colour:Photo Color Material:plastic+metal type:without Tire pressure detector Package Contents: 1 x Alarm 1 x installation package Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.