Electric door bells; Electric locks; Electrical and electronic burglar alarms; Fire alarms; Sirens; Smoke detectors; Time switches; Electric plugs; Electric sockets; Electronic personal emergency response system consisting of a device worn on the body with a button that users push to notify others in the event of an emergency, and a remote unit that dials out on the telephone for help; Fire alarm and emergency evacuation devices, namely, fire alarm control panels, smoke detectors, heat detect...