Why do security lights come on and off?
Why do security lights come on and off? Security lighting can be an inexpensive criminal deterrent for your home. It is an automated lighting system that generally uses either a motion detector or a timer to control when the lights come on and off. The system makes it appear that you are home while you are away and can also deter trespassers who prefer darkness when trying to break in. Why does my car alarm go off in the middle of the night? The battery in your alarm siren can go bad causing alarm to go off. You lock the...