Complete backyard weather on an easy-to-read display offers full forecasting, wireless sensors boasting a 400-foot transmission range, and optional Wi-Fi connectivity for extended features. With its simple set of alerts, for temperature, humidity, wind, and rain data, this station goes past real-time conditions viewing, notifying you of extreme changes. Level up with additional views, by downloading our free La Crosse view app on either Apple IOS/Android OS and monitor all data on the go! The personal weather center operates as a standalone station with included power adapter and backup button cell battery (included.) wireless sensors operate by batteries (not included).