This is the weather station clock with a built-in Bluetooth speaker. An outdoor hygrometer-thermometer senses temperature and humidity and sends its data wirelessly to the station from up to 300' away. The display shows outdoor temperature between -20° F and 140° F (indoor 32° F and 122° F), humidity percentage between 13%-97%, and sun, rain, or cloud icons that indicate general weather. The unit also connects to a Bluetooth smartphone or electronic device and streams music from its 3-watt speaker. It keeps precise time by synchronizing with the U.S. Atomic Clock and displays it in 12-hour format along with the date and day of the week. With volume control, dual alarms, and a USB port for charging devices. Powered via AC adapter (included) or three AAA batteries (required); sensor requires two AA batteries. 8 1/2" L x 4 3/4" W x 3" D. (1 1/2 lbs.)