It includes self-adhesive tabs for mounting but also features a magnetic back for temporary placement. However it's attached, the thermometer displays temperatures between -20 to 120 degrees Fahrenheit (-30 to 50 degrees Celsius) with an accuracy of +/- 5 degrees Fahrenheit. The housing is made of sturdy plastic for safe, long-lasting use. It's also bright red to ensure that it remains highly visible and easy to monitor. This makes it easy for staff to monitor the temperature and maintain a safe refrigerated environment.