The La Crosse Digital Wireless Indoor Outdoor Temp Thermometer WS 9160U-IT is a versatile weather station by La Crosse Technology that displays temperature measurements in both Celsius and Fahrenheit. It is powered by batteries and features a wireless system for convenient indoor and outdoor use. With its advanced functions including an atomic clock, calendar, and weather forecast, this thermometer is a reliable tool for monitoring weather conditions and staying informed about temperature changes in your home or garden. Its compact design and LCD display make it easy to use and read, while the included wireless temperature sensor allows for accurate readings in both indoor and outdoor environments.