Timex Wireless Electronic Indoor/Outdoor Thermometer with Hygrometer (TX6010) Wireless electronic indoor/outdoor thermometer with built-in hygrometer Indoor temperature range of 32 to 104 degrees F and outdoor range of -58 to 158 degrees F Measures relative humidity on 1 to 99 percent scale; easy-to-read 3-line LCD display Includes wireless remote temperature sensor with 100-foot range; max/min temperature memory Main unit measures 2.8 x 4.8 x 0.9 inches (W x H x D); remote measures 2.8 x 3.9 x 0.9 inches; 1-year warranty