An important aspect of IoT (Internet of Things) devices enhancing efficiency in smart cities is their ability to gather and analyze real-time data. IoT sensors monitor various factors such as traffic patterns, energy consumption, and environmental conditions. This information enables city planners and administrators to optimize resources, improve traffic management, reduce energy waste, and enhance urban living conditions. By integrating IoT technology into city infrastructure, stakeholders can make informed decisions that promote sustainability, safety, and better quality of life for residents.