"Easy to use and highly accurate, the La Crosse Technology Wireless Forecast Station gives you a full picture of conditions right where you are, not a weather station miles away. It displays indoor and outdoor temperature, indoor and outdoor humidity, heat index and dewpoint, comfort level, barometric pressure tendencies, and mix/max records with time stamps. Plus, you can set indoor and outdoor temperature and humidity alerts to keep track of changing conditions. The calendar shows the time in 12- or 24-hour format, the day, the date, and the month. Dynamic forecast icons include sunny, partly cloudy, cloudy, rainy, stormy, snowy, and tendency. Also, this La Crosse weather station features signal-strength and low-battery indicators. The freestanding display can be placed on a tabletop or shelf. The display and sensor each require 2 AA batteries (not included). Transmission range up to 330'. The La Crosse Technology Wireless weather station is a must-have tool when planning your day. Display: 6""H x 3.25""W x 2.2""D. Sensor: 5.1""H x 1.6""W x .8""D. Measures: Indoor and outdoor temperature Indoor and outdoor humidity Heat index and dewpoint with comfort level Barometric pressure tendencies Min/max records with time stamps Features: Indoor and outdoor temperature and humidity alerts Calendar with time, day, date, and month Dynamic forecast icons Signal-strength and low-battery indicators Freestanding display"