TIMEX WIRELESS Electronic Indoor Outdoor Thermometer with Clock. Dual LCD display windows feature inside temperature & shared clock and outdoor temperature. The outdoor sensor transmit temperature data up to 100 feet. New clean contemporary styling with easy to use set buttons. Outdoor sensor has Red LED light that signals constant transmission of temperature data. Temperature range for indoors is 32 degrees to 122 degrees Fahrenheit. The outdoor temperature range is 14 degrees to 122 degrees Fahrenheit. Case and sensor molded in bright white.