Rainbow Communication and fire alarms are essential components of any modern building or facility. Rainbow Communication refers to the integration of various communication systems to ensure effective and efficient communication within a building, while fire alarms are crucial for early detection and warning of fires to protect life and property. These two aspects play a significant role in ensuring the safety and well-being of occupants in a building. Rainbow Communication involves the use of technologies such as intercom systems, emergency notification systems, and voice evacuation systems to facilitate communication during emergencies or routine operations. These systems are interconnected to provide seamless communication throughout the building, allowing for quick dissemination of information to occupants in case of an emergency. By leveraging various communication channels, Rainbow Communication helps building managers and emergency responders coordinate efficiently and respond promptly to any situation that may arise. On the other hand, fire alarms are devices designed to detect the presence of fire by monitoring environmental changes such as smoke, heat, or flames. When a fire alarm is triggered, it activates visual and auditory signals to alert occupants of the potential danger and initiate emergency response procedures. Early detection of fires is critical in preventing the spread of flames and enabling timely evacuation of the building, reducing the risk of injuries and fatalities.