A panic alarm is an electronic device that can easily be activated to request help during an emergency situation where danger to persons or property exists. It is designed to minimize time until assistance can arrive. A panic alarm is frequently but not always controlled by a concealed panic alarm button. These buttons can be connected to a monitoring center or locally via a silent alarm or an audible bell/siren. The alarm can be used to request emergency assistance from local security, police or emergency services. Some systems can also activate closed-circuit television to record or assess the event. Many panic alarm buttons lock on when pressed, and require a key to reset them. Others may have a short delay during which time the request of help can be cancelled. Alarm Examples of alarm panic buttons are: A button in a critical system (such as a nuclear weapons system) used to quickly activate an extreme measure to mitigate an emergency situation. A red button integral to key fobs which activates a car alarm's siren. A device given to elderly individuals in order to maintain their independence outside of an Aged Care Facility, while still affording them a means of summoning help should they require it (i.e. a medical emergency that renders them immobile, like a fall, injury or illness). Such a device can also be referred to as an Emergency Medical Alert (EMA) button and can be fitted as either a pendant or bracelet to be worn by the user. MAB's (Medical Alert Bracelets) are usually wireless connected to a call center. When the alarm is raised, an operator will call the individual's home to ensure a false alarm has not occurred; if there is no answer, the operator will alert either family members, emergency services, or both. A button similar to the above, which is used indoors in self-sufficient houses for elderly people, where it alerts someone inside the house, who will then first check for a false alarm by phoning the person, and if there is no false alarm, will enter the person's flat to check what is the problem. A button used in convenience stores, gas station, or other establishments staffed with a single employee during late hours. Often located under the counter near the cash register or safe, the button can be pressed in times of distress (Such as robbery, disruptive or threatening behavior, or a