1.   Ultrasonics technology is used in certain burglar alarm systems which trigger on detecting the sound of breaking glass.

2.   Members can log on to that service to get localized information on everything from finding a safe day care center to selecting a burglar alarm system.

3.   The company makes specialty valves, disposable medical bandages, fire and burglar alarm systems and sprinkler systems.

4.   His company markets door-phones, CCTVs, access control devices, electronic locks and burglar alarm systems.