Even budget models any type of car alarms can be a necessity and not a luxury as it was in the recent past. The cheapest alarm is mechanical steering column lock or transmission. This lock can significantly complicate the life of a potential hijacker is not each of them has a portable grinder, able to cut mechanical protection, made of sturdy metal.
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Coupled with mechanical protection has proven to be a powerful siren, able to scare off potential thieves for a few seconds. Is cheap, but has a high efficiency.
More is full electronic protection, which is triggered from the capacitive sensors or motion sensors. Such sensors may be responsive to the burglary, breaking Windows and even give the alarm after a temporary power failure. These sensors are called contact. If penetration occurs in beauty through the broken glass, then fired capacitive sensors.
All control is by electronic key FOB, which is particularly durable impact-resistant case. Range the remote control can be 50 m or more. This distance is more than adequate for most drivers. But if the car owner is interested in far more control, then it will be better paging, which, when the line of sight, can operate at a distance of one kilometer.
Typically, the best systems allow the driver to program all the factory settings through your own personal computer. However in this case you will need a USB port and a special module RMP-01.
Immobilizers great that block the supply of fuel to the engine, if the surrounding of the vehicle is not detected by a special electronic tags. If the kidnappers and throw the driver out of the car during the "hard" theft, then far they go will not be able. The engine is immediately locked.
Antislavery or antirobberyin turn, needed to prevent potential car thieves to find the right code to the electronic car alarm system, which is left under the guard.