About this item High-Precision Measurement: With a high-accuracy probe sensor, you can monitor the temperature and humidity in your reptile enclosure with precision. The sensor is equipped with a suction cup for easy attachment to glass surfaces. Please note, the sensor is not waterproof, so be cautious of its operating environment. Easy-to-Read Display: The large, bright blue display clearly shows the temperature and humidity levels, both day and night. When the indoor humidity surpasses the preset value, the fan will automatically activate to enhance airflow and improve ventilation in the space. Simple Setup: The fan features a single button for easy operation. Press and hold to adjust the humidity settings, then use the button to set your desired humidity threshold. When the real-time humidity exceeds the set limit, the fan will automatically turn on. You can also press the start button for manual control and press again to turn it off. Wide Applic