Oregon Scientific BAR339PA Projection Atomic Clock with Weather Forecaster Atomic projection clock with weather forecast displayed in color-changing icons 12- to 24-hour forecasts; indoor/outdoor temp readings; memory for daily highs/lows Clock automatically sets itself to U.S. atomic time; 180-degree projection rotation Crescendo alarm; 8-minute snooze; wireless weather data sensor included Takes 3 AAA and 1 AA batteries, included, or AC adapter; 4-3/4 by 4-1/2 by 2-1/4 inches