Xcellent Global Wireless Indoor/ Outdoor Thermometer Sensor, White HG109 Displays indoor and outdoor temperatures, also the time. Displays in Fahrenheit or Celsius by switching the button on back. Min/Max Memory for indoor temperature; can be hanged up or just placed on the table or in the fridge. . Indoor temperature range: -20~+60; Outdoor temperature range: -40~+65; Accuracy:1.0. Package include: 1x Thermometer, 1x Remote sensor, 1x Manual.