Timex Indoor/Outdoor Thermometer with Indoor Hygrometer and Clock (TX5170) Compact electronic indoor/outdoor thermometer with hygrometer and built-in quartz clock Indoor temperature range of 32 to 122 degrees F and outdoor range of -4 to 158 degrees F Reads relative humidity between 20 and 90 percent; includes wired remote sensor with 10-foot cord Records day's maximum and minimum temperatures; requires single AAA battery (not included) Sleek white plastic housing; measures 2.88 x 5.44 x 0.81 inches (W x H x D); 1-year warranty