The AcuRite Digital Thermometer features precise, reliable temperature and humidity readings using a weatherproof and water-resistant sensor probe. The thermometer provides both the temperature where the monitor sits and the probe's temperature.The bold, easy to read LCD screen displays the temperature readings with minimum / maximum information, humidity and the time. The external sensor probe is 10 ft. long for easy positioning outside a window, door or inside a cage, tank or other areas. Display stands upright for tabletop use or is wall-mountable.