Fire alarms are devices that are proven to save lives and are one of the most major investments yourbusiness and company can make. A fire alarm also called as a smoke detector or a smoke alarm basically emits a signal, whether it is a horn, siren or buzzer, as an alert or warning that a fire has started in the premises. The earlier a fire is detected by the fire alarm, the quicker it will be for the firefighters to respond. This means that you can easily avoid major damage to the property as well as a casualty of people.