First Alert SFA2650 Radio Controlled Weather Station Alarm Clock with Wireless Sensor Radio Controlled Clock with WWVB, Alarm Clock, Snooze Function 3D Weather Symbol: Sunny/Slightly Cloudy/Cloudy/Rainy, with Indoor/Outdoor Temperature and Humidity Display of Time, Date, Weekday, Automatic Time Set up and DST Update, Weekday in 7 Languages Selection, Time Zone selection Light Button, 1 Remote Sensor Included, Transmission Range up to 99' Power: Station: 3 x AAA (UM-4) (Not Included) or 120V AC Adaptor (Included), Sensor: 2 x AAA (UM-4) (Not Included)