The EDCLES is a WiFi-to-cellular environmental data logger designed to monitor ambient temperature and relative humidity. It operates within a range of –20 to 70°C and 0 to 99% RH, making it suitable for storage facilities, laboratories, and offices. The device features an E‑Ink display for clear local readings and includes audible and visible alarms to alert users when thresholds are exceeded. It also supports mold risk and flood detection, providing proactive monitoring for sensitive environments. With dual connectivity (WiFi and cellular), the EDCLES ensures reliable data transmission even in areas with unstable networks. Data is stored and accessible through LoggerFlex Cloud, enabling centralized oversight and compliance reporting. This logger is widely applied in pharmaceutical storage, food warehouses, and research labs, where maintaining stable conditions is critical for safety and regulatory standards. Its compact design allows flexible placement, while cloud integration enables oversight across multiple locations