Complete backyard weather on an easy-to-read display offers full forecasting, wireless sensors boasting a 400-foot transmission range, and optional Wi-Fi connectability for extended features. With its simple set 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! Personal Weather Center operates as standalone station with included power adapter and backup button cell battery (included.) Wireless sensors operate by batteries (not included.)