Timex TX5050 1.1-Inch Indoor/Outdoor Thermometer Durable suction-cup window thermometer for indoor/outdoor use Gray-tinted, see-through LCD panel is readable from either side of the window Indoor range of 32 to 122 degrees F and outdoor range of -4 to 158 degrees F Integral minimum/maximum memory for both indoor and outdoor temperatures Measures 2.5 x 2.5 x 0.56 inches (W x H x D); 1-year warranty