Window thermometer - This digital window thermometer is an ideal instrument for the home, conservatory or greenhouse. The suction pad fixes to the outside of your window or any flat surface and allows reading of the exterior temperature from inside. The temperature range of this window thermometer will measure over the range of -20 to 60°C, with an accuracy of +/- 1°C. The Window thermometer has an easy to read digital display. The thermometer can be easily attached to a window or flat surface by a suction pad which is included.