Deterrents are what you want. Alarms are deterrents as are barking dogs, motion detector lights barking dogs.
Alarm systems alert authorities, but there still is a little time before they get to your home, so the burglar, if he knows what he's doing can be gone with the goods before anyone shows up. I think alarms are great, if you have neighbors that are alert to have a watchful eye.
This can be usually fixed with a simple adjustment, Click the Here for Instructions.
Most sliding glass door locks don't work well or are weak. You can place a stick between the door and the side jamb, and that will work, but it can be a pain to deal with, literally, constantly bending over to remove it, forgetting to put it back, children and pets playing with it, it it's not really practical, just a band aid.
Lockkings Sliding Glass Door Lock can be installed at different heights, but the most common is at handle height.
The Lock is attached to the sliding glass door and the side jamb, the only time you need to touch it is when you unlock the door or lock the door.
Lockking's website offers all types of videos. Check them out at www.lockking.org for the best solution for your sliding glass door.
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