A Fire Alarm system is number of devices working together to detect and alert people through visual and audio appliances when smoke / fire is present.

• These alarms may be activated from smoke detector, and heat detector.
• They may also be activated via manual fire alarm activation device such as manual call point or pull station.
• A smoke detector is a device that senses smoke, typically as an indicator of fire.
• The panel receives information from environmental sensors or designed to detect changes associate with fire.