Is the city you live in safe? As a place for daily life and work, is your city truly secure? Based on public safety indicators, would your city be classified as green, yellow, or red? Unexpected public incidents, natural disasters, or equipment failures often lead to serious casualties or property losses. Our industrial data early warning and environmental monitoring product series cover critical equipment such as water pumps, boilers, freezers, and power supply systems, as well as abnormal public safety and environmental indicators such as water level warnings,gas leaks, and water quality monitoring. These systems can automatically alert the relevant responsible units in real time, enabling timely rescue operations and minimizing losses. The Cloud Monitoring & Early Warning Device (I6) is the first intelligent early warning machine that integrates a cloud server, SMS alert system, and data reporting center. Not only is it compact in design, but it also connects with various sensors through advanced intelligent monitoring technology. Functioning like a full-scale monitoring station, it creates a tailor-made "Cloud-Based Monitoring and Alert Center" for users. With just a computer or mobile device, users can log into a web page—no installation of programs or apps is required- to instantly view and download real-time and historical data charts. By integrating intelligent sensing and cloud management, it is a powerful IoT tool for environmental monitoring and the key technology of Environmental Pollution Monitoring 4.0.