LIOTOIN

Pagers; Sirens; Walkie-talkies; Alarm bells, electric; Call bells; Electric buzzers; Electric door bells; Electronic door alarms; 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; Motion detectors; Pressure sensors; Smoke detectors; Temperature sensors; Ultrasonic sensors