The M5StickC ENV Hat III temperature and humidity sensor is a compact and versatile device designed to measure air pressure, temperature, and humidity. Weighing only 4 grams and with compact dimensions of 15 mm in width, 24 mm in length, and 14 mm in height, this sensor is ideal for various applications where space and weight are important. It is suitable for both adults and teenagers interested in developing projects in the field of environmental monitoring. The sensor is designed as a kit, allowing for easy integration into existing systems. With its precise measurements, it enables effective monitoring of climatic conditions, making it a useful tool for both hobbyists and professionals alike. The package includes one piece of the sensor, which is characterized by its user-friendliness and functionality.