First, the urgency of car alarm
With China's reform and opening-up, continuously improve people's living standard, the car is more and more become an indispensable part of people's life, starting from the world's first model T fords were stolen, car theft has become one of the most common crime in modern society, and it has become a serious social problem. Increase in the number of cars, the number of stolen vehicles is rising year by year, this brings to the society great unrest, worry about the car stolen, a problem in automobile users first.
According to statistics, at present the car theft crime is one of the most the United States, there are 1.5 million vehicles a year were stolen, or a car stolen every 20 seconds; Hong Kong every year there are 4000 senior car theft. Look from the domestic situation, the theft auto increasing in recent years, according to statistics, in 2002 the national car theft case occurred more than 100000, was stolen from a day on average more than 300 vehicles, and continue to increase in recent years, rise more and more fierce.
Second, the history of car alarm
With the progress of science and technology, to deal with the escalating sports car segment, people developed the different mode of the structure of the alarm.