"Z-GUARD" is a smart security system to prevent vehicle theft. This product works with a smartphone app to prevent unauthorized access by controlling engine start. Compatible with the latest theft methods such as Game Boy, CAN Invader, and Relay Attack, protecting your precious car. Installation is easy and can be installed without changing the vehicle's wiring. You can easily manage the locking and unlocking of your vehicle through the app, making it ideal as a crime prevention measure that combines convenience and safety.


Compatible OS is Android 8.0 or higher.
-Cannot be installed on devices with versions earlier than Android 8.0.
- Functions that can be used on devices that do not support Bluetooth version 5 will be limited.
・It may not work well on devices with slow Bluetooth processing.
・This app uses Bluetooth (Bluetooth Low Energy).
Therefore, for Android8 to Android11, permission for location information is required.
This application may also detect secure devices in the background.
Especially if you are using Android10~android11,
You must select "Always Allow" for location information permissions.
・Permission for location information is only for use of the Bluetooth function, and location information data will not be used.