Remote Wireless Temperature Thermometer displays the inside air temperatures of both the freezer and refrigerator compartments via the digital display anywhere on the exterior with a 100 foot range. Battery powered display will stand alone on any flat surface or can be attached to the refrigerator with the magnetic back plate. Unit displays minimum and maximum temperatures reached between resets. Includes an alarm if temperatures go above the preset safe food keeping temperatures. Alarm can be disabled. Displays in Fahrenheit or Celsius. Simply the best tool when living with a Gas Refrigerator.