How to Buy Car Alarm System?

Function and development of car alarm

Although a lot of people buy car alarm is purely for entertainment purposes, but its main purpose is the protection of property, which not only ensures the automotive safety but also personal safety. Other features include remote launch and safety sensors. Alarm has come a long way from the alarm function of only providing the door not open properly until now. They can now flash car lights, disconnect the ignition and as enter into the systems to use without automotive key. Some can even use a computer interface to completely custom work program. The car alarm China uses the comprehensive technology; the most common is a motion sensor and dome light detector. When the door is opened, the top lights trigger the alarm. Many of today's security systems provide multiple protections, allowing you decide the alarm, protection and selective disarmament, or individual components.

Security sensors can avoid accident

Many remote control devices can launch 500 meters away from the vehicle. This feature can achieve warm-up of the car and avoid the noise as a comfortable advantage. Some owners think every time the car scratches, it is similar to physical injuries and accidents, which will make them more painful. Although these minor accidents make people unfortunate and annoying, but if it involves children, the problem is even more serious. Therefore, security sensors can play a big role in avoiding these accidents.

Function of reversing safety sensors

Reversing safety sensors pass the ultrasonic signal from the installation position on the back of the car. If the signal encounters an object, it will bounce back to the receiver, and determines the distance between them. This is somewhat similar to the working principle of radar; the ultrasonic pulse is also very good in the case of low visibility. Many new systems combine the sensor with small cameras, allowing the driver to truly understand the situation behind rely on the video screen. Because vehicle DVD system and display are popular, some manufacturers are trying to combine the cameras and car audio video system.

Selecting car alarm system

The security system has a wide range of application characteristics. An important choice is an alarm, which controls the switch by a keyless remote. The people who have two cars can use dual remote control. Some systems add a security feature, internal car lights will turn on when the system is disarmed, allowing safe access. The area disturbance car alarm sensor on any movement on car, even if the car battery is out of power, it can use the backup battery to keep the system armed. Selecting car alarm system should take into account various factors, if necessary, you should also consider adding a car reversing sensor.

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