This air intake sensor measures the humidity and temperature of the incoming air. The climate controller can use these values to decide whether cooling or dehumidifying via ventilation is possible. This function is supported only by the GrowBase Pro model with firmware version 5045.0.00.15b and higher. The sensor features a black cable gland and a white protective cover with a 12mm thread, allowing easy installation, such as in ventilation ducts. The sensor is also protected by a membrane against dust and dirt, ensuring long-term reliability.