2. Shock and glass break sensors: These sensors detect vibrations caused by someone trying to break in or shatter a window.
3. Motion sensors (for the interior): These sensors detect movement inside the vehicle, which can indicate someone is attempting to enter or steal items from it.
4. Door, trunk, and hood triggers: These trigger the alarm if someone opens these parts of the vehicle without the proper key.
5. Remote control with two-way communication: Choose an alarm with a remote control that allows you to arm and disarm the system from a distance and receive feedback (chirps, lights, etc.) on the status of your vehicle.
6. Automatic arming and disarming: Some alarms can automatically arm when the vehicle is turned off and disarm when the owner approaches or unlocks it.
7. Failsafe starter kill: This feature prevents the engine from starting if the alarm is triggered, making it more difficult for someone to steal your car.
8. Battery backup: In case the car's battery is disconnected or drained, a backup battery should provide power to the alarm system, ensuring it continues to function.
9. Smartphone compatibility: Some modern alarms can be integrated with smartphone apps, allowing you to control and monitor the system remotely and receive notifications.
10. GPS Tracking: Some alarms offer GPS tracking capabilities that can help you locate your vehicle if it's stolen.
11. Installation: Consider the quality and reputation of the company that will install your alarm system. A professional installation is crucial for the alarm's effectiveness.