• 2-in-1 thermometer and hygrometer with temperature measurement range from -40 to 50 °C • Humidity measurement range from 0 to 100% (RH) with reliable accuracy • 25,4 cm (10 inch) display with high-visibility dial for easy reading at a distance • Automatic calibration via precision coil and built-in mechanical mechanism • Durable construction with PVC housing, transparent acrylic lens and aluminum hand • Design suitable for wall mounting indoors and outdoors such as gardens, terraces or greenhouses • Provides updated temperature and humidity values in real time