AcuRite 02059M Digital Thermometer with Indoor and Outdoor Temperature Monitor indoor and outdoor temperature (Fahrenheit and Celsius) on a digital display with large;bold digits Includes daily high and low temperature records for the display's built-in thermometer and for the wireless sensor Includes a digital display (5.7-Inch height x 2.8-Inch width x 1.8-Inch Depth) and 1 wireless temperature sensor Wireless all-weather sensor measures indoor or outdoor conditions with precision and accuracy (330-foot; 100-meter range) Multi-zone thermometer can monitor data for up to 3 sensors (model 06002Rm; additional sensors sold separately)