The Pyle Car Alarm Security System is a cost-effective car alarm accessory that provides basic security features. This system includes a shock sensor that triggers an alarm if someone tries to break into your car. It also features a panic mode, which activates the car's alarm and flashes the lights to attract attention in case of an emergency. The Pyle Car Alarm Security System is compatible with most vehicles and offers a simple installation process. If you're looking for an affordable car alarm accessory, this is a good choice.