Make sure your louvered window locks are in working order. Keep your door closed and locked. While offering possible concealment to criminals, gates and fences properly used can also deter the removal of large items and increase the difficulty of breaking in. A very effective clue that someone is at home and cares. Permit ready visibility by neighbors and police.
Most residential alarms emit a loud noise from a bell, siren or tone generator.
An audible alarm on doors and windows can be an effective deterrent to the amateur burglar. If you do install an audible alarm, make sure that your family and your neighbors are informed about its function and that they are trained to call your law enforcement agency when they hear the alarm. Your law enforcement agency should be consulted when you install an alarm. Each exterior doorway should be lighted to prevent a burglar from concealing his activities. A number of ornamental and functional outdoor lights are available.