Any car security alarm will have the following components; siren, sensors, remote control and electronic brain. In the UK Thatch am car security alarms have better security components like; a battery backup siren, high security remotes and volumetric sensors as standard.
A siren is usual method that a car security alarm notifies you of a break in but a car pager alarm can bleep you if you are out of earshot of the siren. There are two types of pager car security alarms; first is a basic key fob which could have LCD displays to let you know which security sensor has been triggered or you can get a system to send you a text message to your mobile notifying you that your car has been broken into or being driven off. There are many types of car security alarm sensors; tilt or motion sensors, ultrasonic sensor, microwave sensor, pre warning dual zone warning, glass break detector, door, window and locker switches, PIR sensors and security loops. The best car security alarms will have a number of inputs to allow you to configure your own level of security system allowing you to add a number of different sensors.
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