Be your own personal meteorologist! The wireless weather station features 12/24hr display, date and weekday display, automatic snooze function, temperature display in Celsius or Fahrenheit, indoor/outdoor thermometer, indoor/outdoor hygrometer and adjustable projector to display the time on any wall or ceiling. Powered by AC/DC - DC power adapter included. Temperature ranges between -20 degrees Celsius (-4 degrees Fahrenheit) and 50 degrees Celsius (122 degrees Fahrenheit). Includes two AAA batteries for sensor.