carlarm.jpgMost victims of car theft never considered that it would happen to them. There is about one automobile stolen every twenty seconds in the United States alone. Even in today technology, car theft is very rampant. That is why car alarm system manufacturers are always improving their technology and innovating in order to avoid car theft.

Systems are gadgets that are installed on cars to thwart or discourage theft of cars. Car systems of the early years work by making a loud sound and only. As the years go by, car alarm systems work by disabling the ignition system of the car. Some car alarm systems send a radio signal to the owner thru a beeper. Some car alarms are set off by vibrations, touch, tilting of the car opening or closing of door contacts, small and rapid changes in the voltage of the battery or through infrared sensors and ultrasound sensors. Read more