La Crosse Technology Twc Wireless forecast Station The la crosse technology wireless forecast station can monitor outdoor and indoor Weather forecasting function with 3 weather icons and weather tendency indicator Wireless outdoor (-39.8 to 139.8) and indoor (14.2 to 99.9) temperature range in degrees Fahrenheit Transmission range up to 330 feet at a 915-megahurtz frequency Power requirements: receiver takes 2 AAA and sensor takes 3 AAA alkaline batteries