1. Smart Automation for Enhanced Security: The auto intelligent secret lock is designed with smart automation features that detect the owner's departure and automatically secure the vehicle, increasing both safety and convenience without the need for manual intervention. 2. Universal Compatibility: This versatile anti-theft device is universally compatible with most vehicle types, eliminating the need for model-specific customization. It simplifies installation, saving time and reducing costs associated with securing your car. 3. Warm-Up Theft Prevention: Our car immobilizer is a game-changer for those who tend to leave their cars unattended while warming up during winter, preventing opportunistic thieves from driving away with your vehicle, thereby enhancing its security. 4. Signal Interference Protection: Equipped with 2.4 GHz wireless communication technology, the wireless car engine lock is engineered to resist external signal interference, ensuring the stability and reliability of your vehicle' system. 5. Round-the-Clock Vehicle Protection: With the engine dark lock alarm, your vehicle is safeguarded against theft at all times, whether day or night, offering car owners the peace of mind that comes with constant, vigilant protection. Type: Anti-Theft Device One-Way Cut-off Function: 1. Suitable for any 12V Car 2. Wide compatibility (can be installed on vehicles equipped with anti-theft alarms) 3. Induction detection range 2-8 meters 4. Sensing distance can be free Adjust 5. Dual function selection of anti-theft and anti-theft 6. Anti-theft function: When the vehicle cannot detect the sensor card, the car cannot start after opening the door. 7. Anti-theft function: When the vehicle and the vehicle do not detect the induction, the vehicle automatically turn off and the vehicle no longer be started. 8. Emergency release mode (function selection: car wash, maintenance mode) 9. Low-volume warning function (when the internal battery voltage of the sensor card is too low, the rear door bell of the activated vehicle be activated) 10. Small size, easy installation, strong concealment 11. 2.4GHz frequency, less interference, energy saving. 12. Induction card adopts large capacity Battery model: CR2032 battery Colour:As Shown Material:plastic Package Contents: 1 x Alarm 2pcs x sensor 4pcs x Wiring harness(Due to different product batches, the appearance , which does not affect the use) 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.