Monitor your indoor environment and backyard weather with this easy to use weather station. The indoor display monitors barometric pressure to provide your own localized weather forecast. It also monitors indoor temperature & humidity, features time, date and calendar. Stay alert with weather alarms including storm warnings. Wireless Outdoor Sensors record wind speed, wind chill, wind direction, rainfall, humidity & temperature. All batteries are included. Includes La Crosse Alerts MobileTM Remote Monitoring Options Remotely monitor your weather station data while you"re away. View your data online with your smartphone, tablet or computer.You can even receive text & e-mail alerts based on your own custom settings. Remote monitoring requires activation on lacrossealertsmobile.com. Alerts require purchase after three month trial.