Specification: Item Type: Car ImmobilizerMaterial: ABSAlarm Mode: Sound AlarmPower Supply Voltage: 12V±3VRated Voltage: 12VAlarm Response Time: 0.1SBattery Type: 2 x Button Battery (Included)Battery Model: CR 2032Battery Capacity: 210mAhApplicable Models: 12V car How to Use: Wiring Instructions: Red Wire ‑ Positive Black Wire ‑ Negative Yellow Wire ‑ Input Green Wire ‑ Output Package List: 1 x Anti Theft Device 2 x Remote Control 2 x Battery 2 x Key Ring 3 x Cable Tie 1 x Manual Features: 1. Suitable for any 12V car installation 2. Strong compatibility (can be installed in vehicles that have been installed with anti-theft alarms) 3. Induction detection range 2-8 meters 4. The sensing distance can be adjusted freely 5. Anti theft and anti robbery dual function options 6. Anti theft function: When the system installed in the vehicle does not detect the proximity card, if the vehicle is forced to start the vehicle by prying the door, it will not be able to start the car. This is the antitheft function. 7. Anti robbery function: When the vehicle is running, take the proximity card to leave the vehicle, and the vehicle will automatically turn off after 1 minute. This is the anti robbery function. 8. Emergency release mode (system user friendly function selection: car wash, maintenance mode) 9. Low voltage alarm prompt function (when the battery voltage inside the induction card is too low, a buzzer alarm prompts after starting the vehicle) 10. Small size, simple wiring installation and strong concealment 11. Using 2.4GHZ frequency, less interference and power saving.