A fire alarm is a unit made of several devices, which uses visual and audio signalization to warn people about a possible fire, smoke, or carbon monoxide occurrence in the area of coverage. Fire alarms are usually set in fire alarm systems to provide zonal coverage for residences and commercial buildings. The warning signal is either a loud siren/bell or a flashing light, or it can include both. Some fire alarm systems use additional warnings, such as sending a voice message or making a phone call.

To determine the most suitable fire alarm system, start by identifying your specific needs. Think about how many detectors need to install in your building. Go for a fire alarm system that is compatible with your current security system. Shop around for equipment that fits within your budget without sacrificing quality. Work closely with the vendor of the fire alarm system to correctly install the fire alarm system and properly integrate it with your existing monitoring and security system.

Wireless fire alarm systems do not use any wiring between the fire control panel and the other devices. Most fire alarms used today are wireless. The most advanced use smart technology, and can be integrated into a smart home with various software applications.