NEW!! Digital Display Window Thermometer Hydrometer Indoor Outdoor With Suction Cup Digital Window Thermometer Hydrometer with Easy Suction Cup Installation. Large LCD Display, Stunning See-Through Design. MAX and MIN record for temperature and humidity Measures and displays the temperature (in Celsius or Fahrenheit) and humidity. LCD Digital Window Indoor/Outdoor Thermometer / hydrometer with suction cup and adhesive tape for easy mounting.