A personal panic button is the same thing as a lone worker alarm; it is a small, handheld device that lone workers can use to signal for help in an emergency. Personal panic buttons can be as simple as small pendant buttons (which can be worn or kept in a pocket) or as sophisticated as a lone worker safety smartphone app. When activated, a personal panic button sends a duress alarm to a designated person(s) or monitoring center. Some personal panic buttons include features like real-time location tracking and two-way communication, which can help emergency responders locate the person quickly and accurately.