San Diego, California is known for its beauty, pleasant weather and generally safe neighborhoods. One reason for the city’s success is its active police department which encourages citizens to be vigilant against crime. The San Diego Police Department’s Crime Prevention Unit recommends several things for residents looking at home security systems.
Security systems usually include one or more of the following components: photocell or magnetic contacts on doors and windows, heat or motion detectors in interior spaces, glass break detectors, keypads with a means of checking the status of the system, and audible alarms.
All security system equipment should be Underwriters Laboratory (UL) certified.
Multiple security system sensors are preferred because they reduce false alarms, which are wasteful of police resources and lead to fines and permit revocation.
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