Thermor Bios Indoor/Outdoor Wired Digital Thermometer (White, 4.25-Inch x 6.5-Inch x 0.5-Inch) Indoor/Outdoor Wired Digital Thermometer displays Indoor/Outdoor temperature and shows temperature trend. Freeze alarm. 9.8 ft. /3 m. wired sensor probe Time and Alarm features. Min./Max. memory and F/C switchable