3-IN-1 PROFESSIONAL WEATHER STATION All-in-One Monitoring System Provides Real-Time Weather & Precipitation Data Based on Conditions in Your Own Home & Backyard! Get the Most Precise Temperature, Humidity, Rain ReadingsMore Accurate Than Any National Weather Station EASY-MOUNT BACKYARD SENSOR Position Unit Outside on a Pole or Railing [Up to 492 Feet Away], Then View Personalized Up-to-the-Second Weather Data from Inside! Complete Station Includes Temperature Sensors and Rain Collector Runs for Up to 2 Years with 4 AA Batteries (batteries not included) FULL INDOOR LED BACKLIT DISPLAY Tabletop or Bedside Console Shows Indoor Temp/Humidity, Outdoor Temperature, Rainfall Rate and Acuumulation, Rain Historical Data Includes Backlight, Alarms and Alerts