battery backup
A battery backup will keep supplying power to a car alarm (and thus siren) in the event that the battery is pulled, for instance by a car thief/vandal. If armed, the moment the battery is pulled the alarm will blare.
A hood pin switch goes a step before this. Honda hoods are generally easy to open from the outside, and this detects when the hood is raised up, such as when stealing under-hood items or looking to disable the alarm.
Both are great devices that should be installed in virtually every alarm install. Have you seen the "How-To: Car Security" guide yet?
A hood pin switch goes a step before this. Honda hoods are generally easy to open from the outside, and this detects when the hood is raised up, such as when stealing under-hood items or looking to disable the alarm.
Both are great devices that should be installed in virtually every alarm install. Have you seen the "How-To: Car Security" guide yet?
Last edited by Davus; Feb 1, 2009 at 11:18 PM. Reason: posted link
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