The EST/VIGILANT/KIDDE GSA-CT1 fire alarm is a reliable unit designed for fire protection in various settings. This model is a single unit and is not a custom bundle, making it easy to integrate into existing fire protection systems. Manufactured by EST, this fire alarm is a trusted choice for businesses and industrial facilities looking for high-quality fire protection equipment. With its reliable brand reputation and specific model number, the GSA-CT1 offers peace of mind in the event of a fire emergency.