Anti-theft devices are a system that will help you to protect your car from stealing and also it will help you to deter any types of criminalization. This device was created to prevent a particular thing or object to be robbed by criminals. Anti-theft devices for cars come into two categories: the active devices and the passive one. An active anti-theft device will need you to set it up every time. This will protect your car through locking your car in a consistent place, locking your doors and windows, putting an alarm on your car system and many more. While a passive anti-theft device is a device that doesn’t need any activation, it will automatically activate its features in your car without the help of yours for setting it up. For instance, you have your car, and you want it to be protected from criminals. Anti-theft devices will be a useful device that you can use for your vehicles to be protected from criminals. If a certain robber tried to steal your car, then this anti-theft device will automatically give you an alarm that your car was being robbed by criminals. The active anti-theft device is more preferable to use rather than the passive one.