Renowned Swiss precision ensures that the La Crosse Technology Wireless Weather Station with Advanced Icon tracks weather conditions with incredible precision. This handy instrument features eight different icons suggesting appropriate attire based on outside conditions. It monitors indoor temperature and humidity, and wireless outdoor temperature; minimum and maximum records are kept for your convenience. Humidity tracking ranges from one to 99 percent, and this weather station measures temperatures from -40.8 to 139.8 degrees Fahrenheit. Choose between 12- and 24-hour time display options. This weather forecast station has atomic time and date with manual setting, and it automatically updates for Daylight Savings time. It boasts a transmission range of 330 feet. This easy-to-operate weather station can be mounted on a wall or placed on your desktop. The receiver and sensor each require two AAA batteries.