Would you ever consider leaving thousands of dollars worth of your personal belongings in the street without protection? Well, that is what you do every time you park your car at the side of the road or anywhere else if you do not have a car security alarm fitted to it. Most cars do not come with an effective protection system, and a determined thief is generally able to steal a car in a matter of seconds with nothing to stop them doing so. Car security alarms come in a variety of forms, and offer different levels of protection for your property depending on the specific model that you choose. From basic systems that simply provide a siren if the car is broken into, through to comprehensive car security systems that include every possible protection including engine immobilisers, electronic door locks, and much more to make it very difficult for a thief to get away with your car. The ease with which you can actually fit a car security alarm will depend on the complexity of the system that you have chosen to install. The most basic systems can be fitted very quickly by almost anyone, but if you have chosen to get a fully comprehensive car security alarm system that includes a wide range of features, then you will definitely need a professional to carry out the installation on your behalf. A basic system such as the Commando 357 Car Alarm is designed to be easy for almost anyone to install. It features a 6 tone 125dB siren that is backed up by a light actuator, and can be easily activated and deactivated by using the wireless remote control. You will be able to set the controls of the alarm to ensure that it goes off when you want it to. From the lightest of touch from a passer-by through to the point at which entry is attempted, the sensors can be set up to offer excellent control. The next level car security alarm from Commando is the 520s. This builds upon the features of the entry level system with a number of additional features including the ability to disable the starter motor of the car and effectively immobilise it. The 520 car security alarm also includes the installation of a keyless entry system for your car, which means that instead of having to fumble or your key on a cold morning, you will be able to unlock the doors at the push of a button. Further upgrades to the basic Commando system include the 550s alarm system. This takes protection to the next level, and includes a complete engine kill system that prevents any getaway from taking place. There are a number of additional accessories available for your car alarm system, including a personal monitor. This pocket sized device works in the same way as a regular pager in order to give you warning if someone is trying to gain entry to your car so that you can take appropriate action. With this system, you can set the alarm to not make a sound when someone is braking into your car so that they are not warned that the police are on their way. Car security alarms can be tailored completely to your particular needs. You can protect every aspect of your car to prevent anyone from being able to gain entry to the vehicle, and taking it without your permission. Security systems can be tailor made to include everything from keyless entry to electrically controlled windows. You can prevent the engine starting, and even carry a pager that will warn you if your vehicle is in danger. The most import aspect of choosing an alarm system for your car is to pick one that includes all the features that you feel you will need. You should remember the value of your vehicle, and choose a car security alarm that will offer appropriate protection.